closed mine的用法和样例:
例句
- Waste water, waste gas and solid waste caused by the mine and so on.
因此国家需要建立多元的矿山环境保护投资机制。
- So he and the boys walked for more than a week, crossed the Senegal border and arrived at another mine in Mali.
所以,他和其他孩子一起走了一个多星期,穿过塞纳加尔边境,到了马里北部的矿山。