Seradix
吲哚丁酸
🗣️ 情景例句
which we made clear at the beginning of the negotiation.
关于这一点，我们早在开始谈判时期就讲明了。
How can I get in touch with you?
我怎样能跟你联络上？
No, thanks. I've had enough.
不啦，谢谢。我已经吃饱了。