Steramide
乙酰磺胺
🗣️ 情景例句
Do I need a visa to go to HongKong?
去香港需要签证吗？
Don't mention it. I hope you can come again soon.
不用谢，希望你不久能再来。
The same policeman was just walking slowly past the entrance, when Patrick asked the same question.
昨天的那位警察正从门口慢慢走过，帕特里克上前问了和昨天同样的问题。