Cavity impedance
[电] 空腔阻抗
🧩 词语组成解析
impedance
[im'pi:dəns]
n. 阻抗，全电阻;电阻抗;
🗣️ 情景例句
I had a busy day. I'm done.
我今天很忙，现在精疲力尽。
You have to be operated on.
你得做手术。
Tie a heavy weight at the end of a long piece of string.
把一个重物拴在一根长绳子的一端，