Mutamer
变构物, 旋光异构物
🗣️ 情景例句
How much money are you looking for in this job?
你希望的薪水是多少？
We kept on discussing the problem for four hours.
我们持续讨论那个问题达四小时。
I have the quotations you asked for.
你要的报价已经做好了。