Bacteresulf
磺胺异恶唑
🗣️ 情景例句
When can I photograph a class?
我何时才来上课呢？
I'm not in.
我不在家。
I had no sooner got off the ship than I was assailed by a man who wanted to sell me a diamond ring.
我刚下船，就被一个人截住，他向我兜售一枚钻石戒指。