Cycloperoxene
环过氧烯
🗣️ 情景例句
It has been a learning experience. That's true.
这真是一次学习经验， 真的。
The problem is that my boss says he can't keep my job open for me.
可问题是老板说他无法继续保留我的工作。
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？