Pnpn transwitch
[电] pnpn开关
🧩 词语组成解析
硅开关
🗣️ 情景例句
Have a safe trip!
一路平安。
God defend me from my friends; form my enemy I can defend myself.
防友靠天，防敌靠己。
Oh, she's from England, too.
她呀！也是从英国来。