Ignitron
[电] 水银半波整流管
🗣️ 情景例句
He's a very famous person in Chinatown. He's also from your home city, Peking.
他在唐人街大名鼎鼎，他也是从你的家乡北京来的。
Hello, may I change some money with my Master card?
我能否用万事达卡来兑换些钱吗？
Who told you that?
谁告诉你的？