Variac
[电] 通用无线电公司的可变变压器的注册商名
🗣️ 情景例句
I have to turn off the lights,
我得关掉灯，
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
They crowned him king.
他们拥立他为国王。