Chloracetone
氯丙酮
🗣️ 情景例句
Oh! Good afternoon. Mr. Wilson, I'm sorry, but he's not in. He's gone out on business.
哦，您好！威尔逊先生。很抱歉，他不在家，他出差了。
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
Is that all?
就要这些吗？