Naphthanone
[医] 萘烷酮
🗣️ 情景例句
I reckon that all rock songs are rubbish.
我觉得所有的摇滚乐都是垃圾。
How long will the flight be delayed?
班机诞误多长时间？
I repeated my question several times and at last he understood.
我把问话重复了很多遍。他终于听懂了。