Chlorothorite
钍脂铅铀矿
🗣️ 情景例句
but my work keeps me busy.
但我老是忙于工作。
May I see a timetable?
我可以看时刻表吗？
For him, caves have the same peculiar fascination which high mountains have for the climber.
对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊魅力一样。