Pnpndiode
[电] PNPN(四层)二极管
🗣️ 情景例句
It's a great college.
那是一所好大学。
Did you work all day?
你整天工作吗？
if you think what it must be like to share the deck of a ship with several squadrons of jet aircraft,
因此，如果你能想像出同在一个甲板上是什么滋味儿的话，和几个中队的喷气机。