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
Dad, Richard--Alexandra's here.
爸爸 Richard Alexandra来了。
To promise and give nothing is comfort to a fool.
允诺而不费什么是给愚蠢人的安慰。
The computer will still be unable to predict whether Princeton,New Jersey, will have sun or rain on a day one month away.
计算机无法推断出1个月以后的某一天，新泽西州的普林斯顿究竟是晴天还是雨天。