露天矿的英文怎么说

露天矿的英文：
strip mine

Colonization of a calcareous stripmine spoil by earthworms promoted incorporation of organic matter.
在石灰质露天矿引入蚯蚓，可促进有机物的结合。

This pen is mine.
这支笔是我的。

The left is mine.
左边的东西是我的。

This is an inactive mine.
这是一处闲置的矿井。

Change that cravat for this of mine, that coat for this of mine.
把你的蝴蝶结跟我的交换，上衣也跟我交换。

He is a good friend of mine.
他是我的一个好朋友。