Protosun
原太阳
🗣️ 情景例句
I don't know haw that could have happened.
我不知道怎么会发生那样的事。
Reckless youth makes rueful age.
虚度青春，悔恨无已。
The question was, which one?
问题是，哪一种气体导致火灾呢？