Coalmining
(coalmine 的现在分词) n. 煤坑, 竖井, 煤矿
🗣️ 情景例句
Yes, Richard.
说吧， Richard。
Which one is more economical?
哪一个是比较经济的？
Could you ask him to ring me, please? My number is 181 584 9662.
麻烦你请他给我打个电话来，我的号码是181 584 9662。