Osmogen
酶原
🗣️ 情景例句
and an advance payment waiting for you
和预付稿酬等你来
By other's faults, wise men correct their own.
他山之石，可以攻玉。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时