Paramethadlone
乙甲双酮
🗣️ 情景例句
For heaven's sake stop whining.
我说你别再诉苦了。
If you expect to enter the university,you should apply now.
如果你期望进入大学，你现在应该申请。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。