Cathetron
[电]外控式三极汞气整流管
🗣️ 情景例句
They're both students of the performing arts.
他们两个都是的搞表演艺术的学生。
You can leave the cooking to me.
做饭的事你尽可以交给我。
What's your name, please?
请问您叫什么名字？