Coalmining
(coalmine 的现在分词) n. 煤坑, 竖井, 煤矿
🗣️ 情景例句
Genetics is a whold new industry with huge market potential.
基因是一门新兴产业且拥有巨大的潜在市场。
I went to visit an uncle of mine in San Francisco.
我去旧金山看望一个叔叔。
Let 's go out and have a look at it.
走，我们去看看？