ba
ba — 名詞
- basingular
- basplural
1. A university qualification given to students who finish a course of study in sub
學士學位
文學士，大學文科或社會科學初級學位
A university qualification given to students who finish a course of study in subjects such as literature, history, or sociology. The letters BA can also refer to someone who has earned this degree.
Farida has a BA in History from the University of Sussex.
Farida 擁有薩塞克斯大學的歷史學學士學位。
pattern: have a BA in [subject]
Dario earned his BA in Economics and now works at a bank in Milan.
Dario 取得了經濟學學士學位，目前在米蘭的一家銀行工作。
collocation: earn a BA in [subject]
After completing her BA in Sociology, Marta applied for a job in Tokyo.
Marta 完成社會學學士學位後，申請了東京的一份工作。
Baraka is a BA graduate who studied Political Science at the University of Nairobi.
Baraka 是一名學士畢業生，在奈洛比大學攻讀政治學。
- Bachelor of Arts
the full form that BA abbreviates; more formal
- first degree
a more general term for any undergraduate qualification
- BSc
a Bachelor of Science degree, focused on scientific subjects rather than arts or social sciences
文法句型
have/get/earn a BA in [subject]
常見錯誤
ba — 縮寫
1. The written symbol for barium, a soft silver-white metal from group 2 of the per
鋇（元素）
化學元素鋇的書寫符號
The written symbol for barium, a soft silver-white metal from group 2 of the periodic table. In scientific writing, Ba is used in chemical formulas and equations.
On the periodic table, Ba stands for barium, a soft silvery metal.
在元素週期表上，Ba 代表鋇，一種柔軟的銀白色金屬。
pattern: Ba stands for [element name]
The chemistry teacher asked Eli to name the element with the symbol Ba.
化學老師要 Eli 說出符號 Ba 代表哪一種元素。
A bottle labelled Ba was kept in the locked chemical storage room at the lab.
實驗室裡標有 Ba 的瓶子被鎖在化學藥品儲藏室裡。
Heloísa drank a liquid containing Ba before the hospital X-ray of her stomach.
Heloísa 在醫院照胃部 X 光前，喝了一種含有鋇的液體。
- barium
the full name of the element; used in ordinary language
用法筆記
Used only in scientific and technical writing. In chemistry problems and lab reports, Ba appears as the abbreviation for barium in formulas such as BaSO₄ (barium sulfate).
常見錯誤
2. A short form used in medical records and reports for bronchial asthma, a long-te
支氣管氣喘
支氣管性氣喘的醫療縮寫
A short form used in medical records and reports for bronchial asthma, a long-term lung disease that makes it hard to breathe.
The doctor wrote BA in Heather's medical file to note her bronchial asthma.
醫師在 Heather 的病歷上寫了 BA，註明她患有支氣管性氣喘。
usage: BA in medical records
Patients with severe BA are told to keep an inhaler with them at all times.
患有嚴重 BA 的患者被告知要隨身攜帶吸入器。
Dr. Nakamura reviewed the hospital study on children diagnosed with BA under age five.
中村醫師審閱了該醫院針對五歲以下確診 BA 兒童的研究。
The clinic treated over fifty BA patients last year with a new combination of medicines.
該診所去年用新的藥物組合治療了五十多名 BA 患者。
- bronchial asthma
the full medical term; BA is the written abbreviation
用法筆記
Almost exclusively found in clinical notes, medical databases, and specialist publications. Not used in everyday conversation or general writing.
3. Written abbreviation for Bachelor of Arts, used after a person's name to show th
文學士
文學士學位頭銜縮寫
Written abbreviation for Bachelor of Arts, used after a person's name to show that they hold this university degree.
Heather Wu, BA, was invited to speak at the education conference in Taipei.
Heather Wu（文學士）應邀在臺北的教育研討會上演講。
pattern: [Name], BA — title after a name
The nameplate on the office door read Dario Kim, BA.
辦公室門上的名牌寫著 Dario Kim（文學士）。
Marta added the letters BA after her name on all her business cards.
Marta 在所有名片上的姓名後方加上了 BA 這幾個字。
The graduation programme listed each student with BA or BSc next to their name.
畢業典禮的程序表上，每位學生名字旁邊都標示了 BA 或 BSc。
- Bachelor of Arts
the full form; BA is the written abbreviation
用法筆記
Distinguish from the noun sense: abbreviation/3 refers to the letters BA used as a title following a name (e.g. in signatures or official lists), while the noun sense refers to the degree as a qualification (e.g. 'She has a BA').
常見錯誤
4. A number in baseball that shows how often a player gets a hit when they go up to
打擊率
棒球運動員安打統計數據
A number in baseball that shows how often a player gets a hit when they go up to bat. It is calculated by dividing the number of hits by the number of at-bats.
Baraka led the team with a BA of .312 for the entire season.
Baraka 整季以 .312 的打擊率領先全隊。
pattern: BA of [decimal number]
In professional baseball, a BA of .300 or higher is considered very good.
在職業棒球中，打擊率 .300 或以上被視為非常優異。
The coach checks each player's BA before deciding who bats first in the game.
教練在決定先發打序前，會先檢查每位球員的打擊率。
Eli's BA dropped below .250 after he struck out three times in one week.
Eli 一週內被三振三次後，他的打擊率跌到了 .250 以下。
- batting average
the full term; BA is the standard written abbreviation
用法筆記
Common in baseball commentary, sports journalism, and player statistics. The full term 'batting average' is more frequent in spoken language; BA is typical in written tables and scoreboards.
常見錯誤
5. An informal written abbreviation for Buenos Aires, the capital city of Argentina
布市
阿根廷首都布宜諾斯艾利斯的簡稱
An informal written abbreviation for Buenos Aires, the capital city of Argentina.
The flight from Madrid to BA takes about twelve hours.
從馬德里飛往 BA 的航程大約需要十二個小時。
pattern: travel to/from BA
Eli moved to BA to study tango dancing at a local academy in San Telmo.
Eli 搬到 BA，在聖特爾莫的一家當地學院學習探戈舞。
Heloísa's postcard from BA showed a picture of the famous Obelisco monument.
Heloísa 從 BA 寄來的明信片上有著名的方尖碑圖案。
The package was sent to an office address in BA, Argentina, with tracking insurance.
這個包裹附帶追蹤保險，寄到了阿根廷 BA 的一個辦公室地址。
- Buenos Aires
the full city name; BA is an informal abbreviation
用法筆記
Found mainly in travel writing, informal notes, and logistics labels. In formal writing, the city name is usually spelled out in full.