1 a single thing which is complete in itself, although it can be part of sth larger 单元:
The book is divided into ten units.这本书分成十个单元。
2 a fixed amount or number used as a standard of measurement (计量或计数的)单位:
a unit of currency货币单位
3 a group of people who perform a certain function within a larger organization (组织的)单位,部门:
the intensive care unit of a hospital医院的特别护理组
4 a small machine that performs a particular task or that is part of a larger machine (机器的)组件,部件,组件:
The heart of a computer is the central processing unit.计算机的核心是中央处理机。
5 a piece of furniture that fits with other pieces of furniture and has a particular use (家具的)组合部件:
matching kitchen units配套的厨房设备☞picture on page C7 见C7页插图