su
su — 縮寫
1. a unit used in psychology and medicine to measure how strongly someone feels a s
感覺單位
測量感官強度的心理學單位
a unit used in psychology and medicine to measure how strongly someone feels a sensation such as sound, touch, or pain
Dewi's hearing test recorded a result of 2 su for her left ear.
Dewi 的聽力測試記錄到左耳的結果為 2 su。
su as a unit of sensory measurement
Dr. Silva measured pain readings from 0.5 su on the forearm to 8 su near the elbow across the volunteer group.
Dr. Silva 測量了志願者從前臂 0.5 su 到肘部附近 8 su 不等的疼痛讀數。
Sivan noticed a change in sweetness when the sugar level was raised by just 1 su.
Sivan 察覺到糖的含量只要增加 1 su，甜味就有了變化。
Anna checked the chart and saw the cold-water test had registered at 4 su.
Anna 看了看圖表，發現冷水測試的讀數為 4 su。
2. a unit that hospitals, military workshops, and engineering firms use to measure
服務單位
計算服務工作量的標準單位
a unit that hospitals, military workshops, and engineering firms use to measure and charge for work carried out
Bilal's department logged 15 su of repair work during the summer shutdown.
Bilal 的部門在夏季停工期間記錄了 15 su 的維修工作。
su used in workplace time-tracking
The clinic charged three su for the blood test and two su for the consultation.
診所的血液檢查收費 3 su，諮詢收費 2 su。
Rachid checked the invoice and confirmed that 6 su had been billed for the delivery.
Rachid 核對發票後，確認送貨這筆收了 6 su。
On the factory maintenance contract, one su covered thirty minutes of a technician's time for fixing the conveyor belt.
工廠的維修合約中，每 su 涵蓋技術人員修理輸送帶的三十分鐘工時。
3. a short form of 'set up' meaning to arrange, prepare, or configure something, of
設置
安排、準備或配置的簡寫
a short form of 'set up' meaning to arrange, prepare, or configure something, often seen in technical notes, to-do lists, and computing
Hari's setup note read: 'su projector, connect laptop, test slides before 9 am.'
Hari 的設置筆記寫著：「su 投影機，連接筆電，九點前測試投影片。」
su as shorthand in setup notes and checklists
Quinn read the campsite checklist: pitch tent first, then su stove near the table.
Quinn 看著露營清單：先搭帳篷，然後在桌子旁 su 爐具。
Before the Monday stand-up, Zara su'd the new office printer and ran a test page.
週一晨會前，Zara su 好了新辦公室印表機，並印了一張測試頁。
The wedding tech sheet listed: su sound system, run mic check, cue first dance track.
婚禮技術表上寫著：su 音響系統，測試麥克風，準備第一支舞曲。
文法句型
su + [object]
用法筆記
Common in informal written contexts such as tech notes, chat messages, and quick instructions. Rarely used in speech — when spoken, people say the full phrase 'set up'.
4. an older name for the unit of electrical conductance, now officially called the
舊電導單位
電導的舊單位，現已改稱西門子
an older name for the unit of electrical conductance, now officially called the siemens (symbol S), used in engineering before 1971
The 1965 radio schematic noted the wire's value as 0.02 su next to the resistor.
1965 年的收音機電路圖在電阻旁標示導線數值為 0.02 su。
su in historical engineering notation
Daniel's 1968 textbook still listed the cable's rating in su rather than siemens.
Daniel 的 1968 年教科書仍用 su 而非 siemens 來標示電纜額定值。
Joshua spotted the unit su printed beside the relay specs in a 1940s telegraph manual.
Joshua 在一本 1940 年代的電報手冊中，看到繼電器規格旁印著 su 這個單位。
The 1953 factory log listed the main power cable at 5 su on the old equipment sheet.
1953 年的工廠日誌在舊設備表上將主電纜標為 5 su。
用法筆記
Only found in historical documents. The unit has been called the 'siemens' (symbol S) since 1971, and 'su' is no longer used in modern electrical engineering.