Efficiency unit
效率单位
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
I'm afraid i have a complaint to make.
恐怕我要提点意见。
I want to reserve a room.
我想预订一个房间。
He had no sooner returned than he bought a house and went to live there.
他刚一回到英国便买下了一幢房子住了进去。