Steride
甾族化合物
🗣️ 情景例句
Fine, Somsak. And you?
很好。 Somsak ，你呢？
I'd like two seats on today's northwest flight 7 to detroit, please.
我想订两张今天西北航空公司7班次到底特律的机票。
No, we didn't fix anything.
不，我们没有决定任何事情。