Communtator
[建] 换向器, 整流器, 整流子
🗣️ 情景例句
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
Thank you, doctor, said Mrs. Brown.
“谢谢你，医生，”布朗夫人说。