Terpolymerization
三聚作用
🗣️ 情景例句
Sit down. Sit down.
请坐。请坐吧。
There is nothing either good or bad, but thinking makes it so.
事情本无好与坏，全在自己怎么想。
Just then, the gaoler appeared with the precious letter in his bands.
这时狱卒上场，手里拿着那封珍贵的信。