Parametrom
[电] 变抗放大管
🗣️ 情景例句
I never understand what you are talking about, maybe it's the language barrier.
我从不知道你在说什么，也许这就是语言障碍吧。
Yes. Please do.
好，请说。
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，