Acetophenanthrene
[化] 乙酰菲
🗣️ 情景例句
Well,
是的，
It was after dark when we got back,and we were all tired.
我们回来时天已经黑了，并且我们都很疲倦。
I'm afraid that he'll forget it if he misses so many lessons. He may even fail his Chinese exam.
如果他再缺这么多课，恐怕他会忘记很多的。他的汉语考试甚至会不及格。