Isolysin
同种溶素, 同族溶素
🗣️ 情景例句
You should perform what you promised to do.
你应该履行诺言。
This is Tom. He's my classmate.
这是汤姆。我的同学。
If you make a mistake on the form, just cross it out.
如果填表出了错，划掉即可。