Pnpn transwitch
[電] pnpn開關
?? 詞語組成解析
硅開關
??? 情景例句
Is smoking allowed on the train?
火車上允許吸煙嗎？
It's the kind of work I've always wanted to do.
它是我常常想做的工作。
Did you know he was having an affair?
你知道他有外遇了嗎？