Paramecin
n. [生化]草履虫素
🔁 扩展释义
【医】 草履虫素
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
Perseverance is failing nineteen times and succeeding the twentieth.
十九次失败，到第二十次获得成功，这就叫坚持。
Certainly! What's wrong?
当然可以，怎么了？