名词
1. The family is a social unit.
家庭是一个社会单元。
2. unit的意思
2. There is something wrong with the power unit of my computer.
我计算机的电源出了毛病。
3. We regard husband and wife as the primary units of the family.
我们把夫妻视为家庭的基本成员。
4. I'm thinking of buying a hi-fi unit.
我正在考虑买一套高保真音响设备。
5. The hour is a unit of time.
小时是时间单位。