Pnpndiode
[电] PNPN(四层)二极管
🗣️ 情景例句
What about your arms? Lift your arms up like this.
你胳膊怎么样?手抬起来， 像这样。
I've lost my nerve.
我失去了勇气。
Oh, I have to wash all my clothes, clean the floor, and keep everything clean and tidy.
噢，我得洗我的全部衣服，擦地板和保持每样东西清洁、整齐。