Ibit
氧碘鞣酸铋
🗣️ 情景例句
Well, thanks.
噢 ，谢了。
I'm very sorry. Can I get you another one?
非常抱歉。能不能另外给你买一条呢？
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长