Megnetron
磁控电子管
🗣️ 情景例句
How's Donald?
Donald怎么样？
What time did you get to work yesterday morning?
你昨天早上什么时间上班？
That's very kind of you, but I want to speak to him about my son, Jim Green.
你真好，谢谢您。不过我想和校长谈谈我儿子吉姆·格林的事情。