Naphthonone
[化] 萘托酮; 萘酚酮; 羟萘环己酮
🗣️ 情景例句
Yes, I did.
是的， 我看过了。
On behalf of all the China National Packaging Import and Export Corporation employees invited tonight.
我代表被邀请的中国包装进出口公司全体员工。
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。