unit
/ˈjuːnɪt/noun
1
- an individual thing or person regarded as single and complete, especially for purposes of calculation; each of the individuals or collocations into which a complex whole may be analysed（构成整体的人、物等的）单位; 单元：
large areas of land made up of smaller units
由小单元构成的大片土地
the sentence as a unit of grammar
作为语法单位的句子
the family unit.
家庭单位。
1.1
- a device that has a specified function, especially one forming part of a complex mechanism（尤指复杂机械等具有特定功能的）部件; 组件; 元件：
the gearbox and transmission unit.
齿轮箱与变速器组件。
1.2
- a piece of furniture or equipment for fitting with others like it or made of complementary parts（家具、设备等的）组合件：
a sink unit.
洗涤槽单件。
1.3
- a self-contained section of accommodation in a larger building or group of buildings（住房）单元：
one- and two-bedroom units.
一卧室和两卧室单元房。
1.4
- a part of an institution such as a hospital having a special function（医院等机构有特殊功能的）部门：
the intensive-care unit.
重病监护室。
1.5
- a subdivision of a larger military grouping（大部队的）小队; 分队：
he returned to Germany with his unit.
他和他的小队一起回到了德国。
1.6
- a self-contained part of a course（课程）单元：
students take three compulsory core units.
学生们必修三个核心单元。
1.7
- an item manufactured单件：
as modifier unit cost.单位成本。
1.8
- US a police car〈美〉警车：
he eased into his unit and flicked the siren on.
他钻入警车, 拉响了警笛。
1.9
- Brit. the smallest measure of investment in a unit trust〈英〉股份单位（单位信托投资公司的最小股份）。
2
- a quantity chosen as a standard in terms of which other quantities may be expressed（计量, 记数用的）单位：
a unit of measurement
计量单位
fifty units of electricity.
50单位的电流。
3
- the number one一。
3.1
units
the digit before the decimal point in decimal notation, representing an integer less than ten个位数。
词源
late 16th cent. (as a mathematical term)： from Latin unus, probably suggested by DIGIT.