| 例句 |
Rich mineral deposits have been found in the sea bed.海底发现有丰富的矿床。The country is short of known deposits of coal.这个国家缺少已知的煤矿矿床。They were looking for water, but stumbled upon one of the richest shallow alluvial gold deposits ever found.他们当时在找水，却意外发现了迄今为止储量最为丰富的浅层冲积砂金矿床之一。The deposit was examined under ultraviolet light.该矿床是通过紫外线探测出来的。Ore beds were skimmed and abandoned.矿床被浮面开采后就废弃了。 |