Cellon
四氯乙烷
🗣️ 情景例句
Paper or plastic?
现金还是信用卡？
It takes all sorts to make a world.
万千事物，形成世界。
The former method simply consists of setting an elephant to work and beating him until he does what is expected of him.
强硬法就是驱使象去干活，把它打到顺从为止。