Coalmining
(coalmine 的现在分词) n. 煤坑, 竖井, 煤矿
🗣️ 情景例句
You have thirty seconds to make a word,
你们有三十秒的时间造一个字，
I went bowling last night.
我昨晚在打保龄球。
That's a good idea.
这主意不错。