Methylaminoheptane
甲庚胺
🗣️ 情景例句
I am a representative of Politics Association.
我是政治协会的代表。
Would you know your daughter,see her in company.
你若想了解女儿，只要看她和什么样的人交往。
There will only be standing room left for us next century!
到下个世纪我们就只有立足之地了。