Koc
[医] 阴极断电收缩
🗣️ 情景例句
I'm Elsa Tobin. How do you do?
我叫Elsa Tobin ，你好。
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
They lived there before they came to China.
在他们来中国前。