a single thing or a separate part of something larger

Each unit of the text book focuses on a different grammar point. 课本的每个单元各有不同的语法重点。

The first year of the course is divided into four units. 该课程的第一年分为4个单元。

The company plans to split into two or three units. 公司计划拆分成三个部分。

a piece of furniture or equipment that is intended to be fitted as a part of a set of similar or matching pieces

kitchen/shelf/sink units 厨房／书架／水槽组合件

a small machine or part of a machine that has a particular purpose

the central processing unit of a computer 计算机的中央处理器

a waste-disposal unit 废物处理装置

a single complete product of the type that a business sells

a single apartment in a bigger building

The old house has been divided up into three rental units. 这栋老房子被分成三套住房出租。

a public housing unit 一套公共住房

a group of people living or working together, especially for a particular purpose

the traditional family unit 传统的家庭单位

Both soldiers spent two weeks in training before being allowed to rejoin their unit (= the particular part of the army to which they belonged). 两名士兵均在接受了两周的训练后才被允许归队。

Dr Nussbaum is director of the Civil Liberties Research Unit at King's College, London. 努斯鲍姆博士是伦敦国王学院公民自由研究中心的主任。

a standard measure that is used to express amounts

A centimetre is a unit of length. 厘米是长度单位。

The standard unit of currency in the US is the dollar. 美国的标准货币单位是美元。

a standard measure of alcohol

Experts say that women should not drink more than 14 units of alcohol a week. 专家称妇女每周饮酒不要超过14个酒精单位。

a department in a hospital for the treatment of people with similar illnesses or conditions

She's in the burns/paediatric/psychiatric unit. 她在烧伤科／儿科／精神科。

any whole number less than ten

Tens go in the left-hand column and units in the right. 十位数在左栏，个位数在右栏。

the number 1