Chileite
砷钒铅铜矿
🗣️ 情景例句
Thank you,
谢谢你。
Never too late to mend.
过则勿惮改。
For a whole week I did not smoke at all and during this time, my wife suffered terribly.
整整一个星期我根本没有吸烟。在此期间，我妻子吃尽了苦头。