das
das — 名詞
- dassingular
- dasesplural
1. an informal, non-standard written form of the abbreviation DA (district attorney
地方檢察官
美國各級政府的公訴律師
an informal, non-standard written form of the abbreviation DA (district attorney), used in quick notes or casual messages to refer to the elected lawyer who brings criminal charges on behalf of the local government in a US court.
The DA called the witness to the stand to discuss the night of the robbery.
地方檢察官傳喚證人出庭，詢問他搶案當晚所見的情況。
the DA + called + to the stand (courtroom collocation)
Ignacio worked as a district attorney in Phoenix for eight years before retiring.
Ignacio 在鳳凰城擔任了八年的地方檢察官，之後才退休。
full form: district attorney
The defense lawyer asked the DA to drop the charges after new evidence emerged.
辯護律師請求地方檢察官在新證據出現後撤銷指控。
Heather decided to become a DA because she wanted to fight for victims of crime.
Heather 決定當地方檢察官，因為她想為犯罪受害者爭取正義。
The DA's office reviewed the case files over the weekend and filed charges on Monday.
地方檢察官辦公室在週末審查了案件檔案，並在星期一提出起訴。
- prosecutor
broader term; can refer to any lawyer who prosecutes cases, including federal and state levels
- state's attorney
used in some US states instead of DA; same role but different title
- defense attorney
the lawyer who represents the accused person, opposite side in court
文法句型
the DA
[person's name] + is + a/the DA
用法筆記
In this entry, 'das' represents an informal or non-standard written form of the uppercase abbreviation DA (district attorney). The standard written English form is always capitalized as DA or D.A.
das — 縮寫
1. a short way of writing the metric prefix deka- (symbol: da), meaning ten times t
十倍前綴
公制單位中表示十倍的符號
a short way of writing the metric prefix deka- (symbol: da), meaning ten times the base unit of measurement — this is the only sense where the abbreviation is written in lowercase (da or das); all other abbreviation senses use uppercase DAS.
The lab assistant wrote "das" on the bottle that held a dekaliter of solution.
實驗室助理在瓶子上寫了 das，表示瓶內裝有一十進升的溶液。
abbreviation for a metric unit prefix
Selim checked the measuring cup and noticed "das" next to the ten-liter mark.
Selim 檢查了量杯，注意到 das 出現在十公升刻度旁邊。
The tank holds 5 daL of water, which is the same as 50 liters.
這個水箱裝了 5 daL（十進升）的水，相當於 50 公升。
A note in the textbook explained that "das" stands for ten of the base unit.
教科書中的註解說明 das 是十倍前綴，代表十個基本單位。
用法筆記
The standard SI symbol for deka- is 'da' (lowercase), written directly before the unit symbol (e.g., daL for dekaliter, dam for dekameter). The longer form 'das' appears less formally in handwritten notes or older textbooks.
2. a short form used in trade documents to show how many days after the buyer accep
承兌後天數
承兌後付款天數
a short form used in trade documents to show how many days after the buyer accepts the goods that payment becomes due — written in uppercase as DAS.
The invoice stated "net 30 DAS," meaning the buyer had thirty days after acceptance to pay.
發票上標示「net 30 DAS」，意思是買方須在承兌後三十天內付款。
pattern: [number] DAS — number of days after acceptance
Samir agreed to the 60 DAS payment schedule in the trade deal.
Samir 同意了貿易協議中的 60 DAS 付款條件。
Isabela found the DAS clause on the second page of the shipping contract.
Isabela 在運送合約的第二頁找到了 DAS 條款。
The buyer accepted the shipment and payment was due at 45 DAS.
買方接受了貨物，付款期限為 45 DAS。
Their trade agreement specified 90 DAS for the imported machinery.
他們的貿易合約針對進口機械指定了 90 DAS 的條件。
用法筆記
Always written in uppercase as DAS (or D/A/S). Typically appears in formal trade contracts and invoices, paired with a number (e.g., 30 DAS, 60 DAS).
3. a short way of writing "delayed action" (written in uppercase as DAS), describin
延遲作用
延遲後的動作
a short way of writing "delayed action" (written in uppercase as DAS), describing a device or process that operates after a programmed waiting period.
The engineer labeled the switch "DAS" so the team knew it had a built-in timer.
工程師在開關上標示 DAS 表示延遲作用，讓團隊知道該開關具有定時功能。
abbreviation used as a label on equipment
Andrei set the camera to DAS mode before taking the group photo.
Andrei 在拍攝團體照之前將相機設定為 DAS 模式。
The sprinkler system has a DAS function that waters the garden twenty minutes later.
這套灑水系統有 DAS 功能，可以在二十分鐘後澆灌花園。
Dario checked the instructions and saw DAS marked on the fuse box.
Dario 查看說明書，看到保險絲盒上標有 DAS。
用法筆記
Always written in uppercase as DAS. Most often seen on equipment labels, schematics, and technical manuals for devices with a timing mechanism.
4. a short way of writing "deposit account" (written in uppercase as DAS), a bank a
存款帳戶
可生息的銀行帳戶
a short way of writing "deposit account" (written in uppercase as DAS), a bank account that earns interest over time.
The bank statement showed the balance in the DAS account.
銀行對帳單顯示了 DAS 存款帳戶的餘額。
collocation: DAS account
Eshe opened a DAS at the local branch to save for her university tuition.
Eshe 在當地分行開了一個 DAS，為大學學費存錢。
Tamar moved money from her current account into the DAS for better interest.
Tamar 為了賺取更好的利息，把錢從活期帳戶轉入 DAS。
The teller explained that the DAS pays interest twice a year.
行員說明 DAS 每年支付兩次利息。
- savings account
more commonly used term for the same type of account
- current account
a bank account for everyday spending
用法筆記
Always written in uppercase as DAS. Common in British banking. Contrasts with a current account (checking account) which does not earn interest.
5. a short way of writing "Dictionary of Americanisms," a reference book that expla
美語詞典
美式用語專書
a short way of writing "Dictionary of Americanisms," a reference book that explains words and phrases used only in the United States
James borrowed the DAS from the library for his research on slang.
James 從圖書館借了 DAS 美語詞典，用來研究俚語。
used with definite article: the DAS
The professor cited the DAS in her book about American expressions.
教授在她的著作中引用 DAS 來說明美式用語。
Liam found the word "biscuit" in the DAS listed as a British term.
Liam 在 DAS 中查到 biscuit 一詞被列為英式用語。
Mayumi used the DAS to check whether the saying was truly American.
Mayumi 查了 DAS，確認這句話是否真是美式說法。
用法筆記
Usually written in uppercase (DAS) as the title of a published reference work.
6. the uppercase written abbreviation DAS, used on official legal forms, correspond
檢方書面縮
法律文件或信函中對地方檢察官的書面縮寫
the uppercase written abbreviation DAS, used on official legal forms, correspondence, and case dockets to refer to the district attorney's office, distinct from the spoken or informal form DA.
The case file was stamped with DAS on every page.
案件檔案每頁都蓋上了 DAS 的印章。
written abbreviation on official documents
Wei works as a legal assistant in the DAS office in downtown Seattle.
Wei 在西雅圖市中心的 DAS 辦公室擔任法務助理。
collocation: DAS office
Local news reported that the DAS decided not to pursue the case.
地方新聞報導指出 DAS 決定不對該案進行起訴。
A spokesperson for the DAS confirmed the trial date to the press.
DAS 的發言人向媒體確認了開庭日期。
- DA
a more common abbreviation for district attorney
- defense attorney
the lawyer who represents the person accused of a crime
用法筆記
Always written in uppercase as DAS. This is a written abbreviation; in speech or informal writing, the shorter form DA is much more common.
7. an abbreviation used in international trade (usually written as D/A), meaning th
承兌交單
進口商承兌匯票後才能取得貨運單據的條款
an abbreviation used in international trade (usually written as D/A), meaning the shipping documents are released to the buyer once the buyer accepts a draft or promise to pay at a future date.
The bank processed the shipment under D/A terms.
銀行按照 D/A 承兌交單條件處理了這批貨物的運送。
collocation: D/A terms
Mauricio's company only accepts D/A payment conditions for large international orders.
Mauricio 的公司只接受大型國際訂單採用 D/A 承兌交單付款條件。
collocation: D/A payment conditions
The buyer signed the D/A agreement before the bank released the documents.
買方簽署了 D/A 協議後，銀行才釋放了貨運文件。
D/A is a standard abbreviation in letters of credit between exporters and importers.
D/A 是出口商與進口商之間信用狀的常用縮寫，代表承兌交單。
Under D/A rules, the buyer accepts the draft first, and the shipping documents are then handed over.
根據 D/A 規則，買方承兌匯票後即可取得貨運文件。
文法句型
DAS + noun (terms, agreement)
用法筆記
Almost always written in capital letters as D/A. Stands in contrast to D/P (documents against payment), where payment must be made before documents are released.
8. an abbreviation used in text messages and online chats, telling the other person
不回覆
簡訊或聊天中表示不回對方訊息或電話
an abbreviation used in text messages and online chats, telling the other person that you will not reply to their message or call.
Yan saw his ex-girlfriend calling and typed DAS instead of picking up.
Yan 看到前女友來電，打了 DAS 而不是接起電話。
used to avoid answering a call
Whenever the manager calls after midnight, Quan just replies DAS.
每當經理半夜打電話來，Quan 只回 DAS。
Tamar put DAS on her chat status during the final exam period.
期末考期間，Tamar 在聊天狀態上寫了 DAS。
Brian sent DAS to his roommate because he was in a loud meeting.
Brian 因為正在開會，傳了 DAS 給室友。
The group chat saw DAS from Layla and knew she was busy.
大家在群組裡看到 Layla 回 DAS，就知道她不想說話。
文法句型
DAS as standalone message
用法筆記
Very informal; only used in personal texting and online messaging. Not appropriate for formal email or business communication.
9. an abbreviation for digital to analog, describing the process of converting digi
數位轉類比
將數位電子訊號轉換為連續類比訊號的過程
an abbreviation for digital to analog, describing the process of converting digital electronic signals into continuous analog signals, often used in audio equipment.
The DAS converter improved the sound quality of Théo's old amplifier.
DAS 轉換器改善了 Théo 那台舊擴音機的音質。
collocation: DAS converter
Older speakers need a DAS adapter to work with modern digital music players.
舊款喇叭需要 DAS 轉接器才能連接現代的數位音樂播放器。
collocation: DAS adapter
Anjali installed a DAS chip in the recording studio's sound system.
Anjali 在錄音室的音響系統中安裝了一塊 DAS 晶片。
DAS technology turns digital audio files into signals that traditional speakers can play.
DAS 技術將數位音訊檔案轉換成傳統喇叭能播放的訊號。
The technician checked the DAS circuit before testing the microphone.
技術人員在測試麥克風前檢查了 DAS 電路。
文法句型
DAS + noun (converter, adapter, signal)
用法筆記
Commonly used in technical manuals and product descriptions for audio and video equipment. The more familiar term is DAC (digital-to-analog converter).
常見錯誤
10. an abbreviation used in family records, old documents, or genealogical research
女兒
戶籍或族譜紀錄中表示某人為女兒的縮寫
an abbreviation used in family records, old documents, or genealogical research to mean daughter — showing the relationship between a person and their parent.
On the old census form, Eve was listed as DAS of the household head.
在舊的人口普查表上，Eve 被列為戶主的女兒（DAS）。
used in census records
In the family tree, John Peterson DAS refers to his daughter Clara.
在這份族譜裡，John Peterson DAS 指的是他的女兒 Clara。
The tombstone reads 'Beloved DAS of Thomas and Mary Chen.'
墓碑上刻著「Thomas 和 Mary Chen 的愛女（DAS）」。
Genealogists often find DAS written next to female names in nineteenth-century records.
系譜學家經常在十九世紀的紀錄中，女性名字旁看到 DAS。
DAS is short for daughter and appears in parish registers and wills.
DAS 是 daughter 的縮寫，常見於教會紀錄和遺囑中。
文法句型
DAS as label in records
用法筆記
Old-fashioned; mainly found in historical documents, gravestones, and genealogical records from the 18th–19th centuries.
11. an abbreviation for day or days (written in uppercase as DAS), used in notes, sc
天
筆記、標籤或行程表上天數的縮寫
an abbreviation for day or days (written in uppercase as DAS), used in notes, schedules, and labels to show how many days something lasts or when something happens.
The online store says the package will arrive within 3 DAS.
線上商店說包裹將在 3 天（DAS）內送達。
pattern: number + DAS
Lucía wrote DAS on the shipping label next to the delivery date.
Lucía 在送貨標籤上的送達日期旁邊寫了 DAS。
The nurse's note said the patient should take the medicine twice per DAS.
護士的備註寫著病人應每天（per DAS）服藥兩次。
Jenna circled DAS on the calendar next to her flight information.
Jenna 在月曆上的航班資訊旁圈了 DAS。
The hotel reservation said 5 DAS starting from March 15th.
飯店訂房紀錄寫著從 3 月 15 日起共 5 天（DAS）。
文法句型
number + DAS
用法筆記
Written in uppercase as DAS. Uncommon in modern everyday writing, where 'day' or 'days' is usually written out in full. May still appear on handwritten notes, labels, or forms with limited space.