Pnpndiode
[电] PNPN(四层)二极管
🗣️ 情景例句
doing a commercial.
正在做广告。
The mills of God grind slowly but sure.
天网恢恢，疏而不漏。
Congratulations! The girls did very well, too.
祝贺你们！女同学也做得很好。