Varistors
variable resistors 可变电阻器
🗣️ 情景例句
I visited Japan on an observation tour of its industries.
我到日本观摩它的工业。
I'd like a refund.
我要想退款。
I've no idea. He just asked me to come round for supper.
我也不知道，他只是叫我过来吃晚饭。