「unit」主要指一個單獨的個體、測量標準，或組織中的一個部門。
單一實體
EN: a single, complete thing or person treated as one member of a group
翻譯: 一個被視為群體中單一成員的完整事物或人。
測量單位
EN: a fixed standard amount used for measuring
翻譯: 用於測量的固定標準量。
部門或組件
EN: a separate part or section of an organization, system, or machine
翻譯: 組織、系統或機器中一個獨立的部分或組件。
住宅單元
EN: a separate apartment or house in a building complex
翻譯: 建築群中一個獨立的公寓或房屋。
小提醒：注意「unit」在數學中常指「個位數」或「單位數」，例如 "the units digit"（個位數字）；在軍事中則指「部隊」或「單位」。
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Unit" from YouTube Videos
Hadyn Parry: Re-engineering mosquitos to fight disease
TED
“And we've got a production unit in Oxford or just south of Oxford where we actually produce these mosquitos.”
1. a single, complete thing or person that is part of a larger group or system
一個單獨、完整的事物或人，是較大群體或系統的一部分
The apartment building has twenty residential units.
這棟公寓大樓有二十個住宅單位。
Each unit in the workbook covers a different grammar topic.
這本練習冊的每個單元涵蓋不同的文法主題。
The family is the basic unit of society.
家庭是社會的基本單位。
2. a standard amount or quantity used for measuring
用於測量的標準量或數量
The meter is a unit of length in the metric system.
公尺是公制中的長度單位。
This recipe calls for two units of flour and one unit of sugar.
這個食譜需要兩單位的麵粉和一單位的糖。
The calorie is a unit of energy.
卡路里是能量的單位。
3. a piece of furniture or equipment that is designed to fit with others
一件設計成可與其他物件組合的家具或設備
We bought a new kitchen unit with a sink and cabinets.
我們買了一套新的廚房設備，包含水槽和櫥櫃。
The hospital has a specialized intensive care unit.
這家醫院有一個專門的加護病房。
The air conditioning unit needs to be serviced.
這台空調機需要保養了。
4. a group of people working together as part of a larger organization, especially in the military, police, or a company
在一個較大組織內一起工作的一群人，尤指軍隊、警察或公司中的團隊
He served in a medical unit during his military service.
他在服役期間曾在一個醫療單位服務。
The sales unit exceeded its quarterly targets.
這個銷售部門超出了其季度目標。
A special police unit was dispatched to handle the situation.
一個特警小組被派去處理這個情況。
5. the smallest whole number; one
最小的整數；一
In the number 345, the digit '5' is in the units place.
在數字345中，數字'5'位於個位數。
Add the units column first when doing this addition.
做這個加法時，先加個位數那一欄。
| Pattern | Meaning | Example |
|---|---|---|
| a unit of + [noun] | 一個…的單位 | We bought a unit of electricity for the experiment. (我們為實驗購買了一個單位的電力。) |
| per unit | 每單位 | The cost per unit has decreased this year. (今年每單位的成本下降了。) |
| in units of + [measurement] | 以…為單位 | The data is measured in units of grams. (這些數據是以公克為單位測量的。) |
| the basic unit of + [system] | …的基本單位 | The cell is the basic unit of life. (細胞是生命的基本單位。) |
| form a unit | 組成一個單位 | These soldiers will form a new tactical unit. (這些士兵將組成一個新的戰術單位。) |
| a unit of measurement | 一個測量單位 | A liter is a unit of measurement for volume. (公升是容積的測量單位。) |
EN:What is the standard unit for measuring energy in physics?
翻譯:物理學中測量能量的標準單位是什麼？
EN:We need to agree on a unit of measurement.
翻譯:我們需要就一個度量單位達成共識。
EN:The byte is the basic unit for digital information.
翻譯:位元組是數位資訊的基本單位。
一般情況下，表示「...的單位」使用 unit of；當特別強調某個領域或系統的專用單位時，可考慮使用 unit for。
unit vs part
「unit」強調作為一個獨立、完整且可計量的個體或標準化元件；「part」則指整體中的一個組成部分，不一定能獨立運作或計量。
unit vs component
「unit」側重作為一個功能完整、可獨立識別的個體或計量基準；「component」則強調作為系統或複雜結構中一個具有特定功能的構成要素。
unit vs module
「unit」涵義較廣，可指各種獨立個體或計量單位；「module」則特指一個標準化、可互換或可組合的功能單元，常見於工程、軟體或教育領域。
在對話中，當引述或提及一個特定的度量、標準或群體時，常會用到「unit」。 EN: He said each unit needs to be checked individually. 翻譯: 他說每個單元都需要單獨檢查。
EN:We were short by one unit to complete the set.
翻譯:我們還缺一個單位才能湊成一套。
用於強調某事物是構成整體的「一個單位」或「獨立個體」，常伴隨手勢或重音。 EN: That's not just a part; it's a whole unit by itself. 翻譯: 那不只是一個零件，它本身就是一個完整的單元。
EN:Think of your team as one single unit.
翻譯:把你的團隊想成一個單一的整體。
在思考或組織語言時，有時會用「unit」作為暫時的填充詞，尤其是在討論組織、課程或度量時。 EN: So, for the next... unit... we'll cover chapter five. 翻譯: 那麼，下一個…單元…我們會講到第五章。
EN:The cost per, uh, unit is actually quite low.
翻譯:每個，呃，單位的成本其實很低。
正式寫作注意：在正式或學術寫作中，應避免將「unit」用作填充詞。請明確指出具體的度量單位（如「公克」、「章節」、「部門」），而非籠統地使用「unit」，以確保表述精確。
unit of measurement
unit of [noun]
計量單位
per unit
per unit
每單位
storage unit
[noun] unit
儲藏單位；倉儲空間
unit price
unit [noun]
單價
air conditioning unit
[noun] unit
空調機；冷氣機
in units of
in units of [noun]
以...為單位
basic unit
[adjective] unit
基本單位
×The apartment has three unit.
✓The apartment has three units.
'Unit' is a countable noun. When referring to more than one, it must be pluralized by adding 's'.
×This is unit of measurement.
✓This is a unit of measurement.
When 'unit' is used as a singular countable noun in a general sense, it usually requires an indefinite article ('a' or 'an').
×I live in unit 305.
✓I live in Unit 305.
When 'unit' is part of a specific address or designation (like an apartment number), it is often capitalized as part of the proper noun.
×This chapter is a difficult unit of the book.
✓This chapter is a difficult part of the book.
'Unit' often implies a standardized, self-contained section within a system or course (e.g., textbook, army, measurement). For general, non-standardized sections of something, 'part' or 'section' is more natural.
×What is the unit for measuring electricity?
✓What is the unit of measurement for electricity?
The standard collocation is 'unit of measurement' or 'unit of [quantity]' (e.g., unit of length, unit of time). Using 'for' is less common and can sound unnatural.
×Three unit of blood was donated.
✓Three units of blood were donated.
When a plural number modifies 'unit', the noun becomes plural ('units'), and the verb must agree with the plural subject ('were', not 'was').