Isolysin
同种溶素, 同族溶素
🗣️ 情景例句
What business are you in?
你从事哪一行？
If you work in a factory,you usually have to punch a clock.
如果你在一个工厂里工作，你通常必须打卡。
One night, however, feeling cold and lonely,
可是，有一天夜里，我感到又冷又孤单，