Nitrocyclohexane
[化] 硝基环己烷
🗣️ 情景例句
Do you hear something?
你听到什么了吗？
The wolf may lose his teeth, but never his nature.
江山易改，本性难易。
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。