Ignitron
[电] 水银半波整流管
🗣️ 情景例句
You've got it all wrong.
你完全搞错了。
I hope you can tell me.
我希望你能告诉我。
My name is Wu Jun. This is our first lesson, so I don't know all your names.
我叫吴军。这是我们第一次上课，所以我认不全你们的名字。