Varistors
variable resistors 可变电阻器
🗣️ 情景例句
Well, Grandpa wanted me to study engineering, like him.
嗯 ，爷爷希望我像他一样学工程。
I did Math this morning.
我今天早上做算术。
That is John Smith,isn't it?
你是约翰。史密斯，对吗？