Salmak
[化] 氯化铵
🗣️ 情景例句
Let's go. What are your questions?
我们就进行吧。你想问哪些问题？
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
I'll be about half an hour late.
我大概要慢半个小时。