The refuse from mines can be made of liquid, solid materials or small particles.

来自矿山的垃圾可能由液体、固体材料或者小分子组成。

The concept of a fully autonomous mine is a bit of a misleading term, however.

然而，完全自动化矿山的概念是一个有点误导性的术语。

Children as young as five had to work in mines, factories and mills.

年仅五岁的孩子不得不在矿山、工厂和坊里工。

When William Bowers Bourn was just 17 years old, his father passed away, leaving him ownership of Empire Mine, a succesful gold mine in California.

在威廉·鲍尔斯·伯恩年仅17岁时，他的父亲就去世了，帝国矿山的所有权就留给了他，这座在加利福尼亚的金矿相当的富饶。

That acid dissolves metals trapped in the surrounding rock, a process called acid mine drainage.

硫酸不断溶蚀岩层中的各类金属，这一现象被称为酸性矿山排水。

His mine in Murphy has not, so far.

到目前为止，他在墨菲的矿山还没有被关闭。

The rare mineral appears in only 1% of rocks in the mine.

这种稀有矿物仅出现在矿山中1％的岩石中。

The traditional diamond sector notes that its businesses help the communities where they operate mines.

传统钻石行业则指出，他们的业务帮助了矿山开采的周边社区。

We asked several villagers the way to the mine, and they are very forthcoming.

们向好几个村民询问通往矿山的路，他们都很乐意相助。

One of the most popular is the Lost Mine Trail.

最受欢迎的一个是失落矿山小径。

The Europeans made native Indians work in large farms and mines in the colonies.

欧洲人让土著印第安人在殖民地的大农场和矿山做工。

Dr House observes that 99% of exploration projects fail to turn into actual mines.

豪斯博士观察到，99%的勘探项目都没有开发出真正的矿山。

Even children as young as 5 or 6 worked in mines, mills, and factories.

甚至 5、6 岁的儿童也在矿山、磨坊和工厂工。

By most assessments, existing mines on land could supply the needed minerals.

根据大多数评估，土地上的现有矿山能提供足够的所需矿物。

He was a mine of irrelevant information and unasked-for good advice.

他是座装满了七零八碎的消息和不清自来的友谊忠告的矿山。

Acid mine drainage leaves thousands of kilometers of American streams rusty orange and lifeless.

酸性矿山废水使数千公里的美国溪流变成明橙色、死气沉沉。

The mine managers weren't sure how to tackle the problem and keep the mine profitable.

矿山经理们不知道如何解决这个问题，也不知道怎么样使矿山继续盈利。

The mining is currently on hold until 2014.

2014年之前矿山会处于停产状态。

By recycling, companies can make use of what is, effectively, an " urban mine."

通过回收利用，公司可以有效地利用所谓的“城市矿山”。

The researchers described this ancient mammal as an exceptionally cute fur ball caught by analysis.It was unearthed in a line stone quarry in central Spain and unusually, this creature is preserved with its internal organs, skin and fur intact.

研究人员称这只远古哺乳动物是非常可爱的毛茸茸的一团。化石是在西班牙中部一座石材矿山中发掘出来的，不同寻常的是，它的内部器官，皮肤和皮毛保存都非常完好。