Coalmining
(coalmine 的现在分词) n. 煤坑, 竖井, 煤矿
🗣️ 情景例句
the baby can stay in your room for a while.
可以住在你们房间一段时间。
Forgive me for interrupting, but I have a question.
对不起我插个嘴，我有一个问题。
For example, you can send information abroad immediately, but mailing a letter might take a week or so.
例如，你能够马上发送信息到国外，但寄一封信可能要大约一周的时间。