Bismutite
泡铋矿
🗣️ 情景例句
Time moved at a snail's pace before the holiday.
假期之前时间过得非常缓慢。
It's too expensive for me.
对于我来说太贵了。
She spelled out for me the things that the teachers taught.
教师所教的东西，她都为我拼写出来。