Mangnoconiosis
锰尘沉着病, 锰尘肺
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
What time should I meet you at the station?
我几点中跟你在火车站碰头呢？
He had found his family, and his roots at last!
他终于找到了他的家族，他的“根”了！