Fenestrane
四环壬烷
🗣️ 情景例句
Drop the gun, or I'll shoot.
扔掉枪， 不然我就开火了。
Happiness in my work is most important to me.
工作中的乐趣对我来说最重要。
No spitting on the street.
禁止在大街上吐痰。