S-unit meter
[电] 信号强度器
🧩 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
Don't ask why; just do as you are told.
别问为什么， 按要求去做就行了。
Do you like him?
你喜欢他？
Yes, it's Bob here. Can you ask him to call me back?
可以，我是鲍勃。你能请他给我回个电话吗？