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
when she goes back to Greece.
她回去希腊时。
That's a pity.
那真可惜。
The pictures it sent us were very disappointing because its main mirror was faulty!
它传送给我们的图像很令人失望，因为它的主要镜子有误差。