1.
a rare mineral that is an important source of cesium.
一种稀有矿物，是铯的重要来源。
2.
In course of sinking the welt - shaft they came upon a deposit of a very rare mineral.
在凿井中，他们，偶然发现一个稀有矿物的矿床。
3.
a rare silvery-white mineral; important ore of cobalt.
一种银白色的稀有矿物，是重要的钴矿石。
4.
A rare silver-white to gray mineral, cobalt sulfarsenide, CoAsS, that is a cobalt ore and is used in ceramics.
砷钴矿一种银白色到灰色的稀有矿物，硫化砷钴，CoAsS，是一种钴矿石，用于陶瓷
5.
In course of sinking the well - shaft they came upon a deposit of a very rare mineral.
在把钻杆插入井下的过程中，他们意外地发现了一种稀有矿物的矿床。
6.
rare and rare earth metal ore deposit
稀有和稀土金属矿床
7.
a rare reddish-gray mineral consisting of a copper iron germanium sulfide.
一种稀有的红灰色矿物，由铜、铁、锗的硫化物组成。
8.
a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium.
作为稀有土壤来源的一种矿物，由铁、铍、铈、钇、铒的硅酸盐矿物构成。
9.
a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic.
一种稀有的、质地柔软的橙色矿物，由硫化砷组成，是重要的砷矿石。
10.
ore of cadmium; a rare yellowish mineral consisting of cadmium sulphide in crystalline form.
镉矿石；一种稀有的微黄色矿物，由硫化镉构成，呈晶体状。
11.
In order to find out the diggings of gold and rare element, then you get the stone samples?”
为了找金矿和稀有物质矿，你们才去找石头样品的吧？”
12.
General Comments on Rare Earth and Scarce Resources in Baiyunebo
白云鄂博矿区稀土稀有矿产资源综合评述(二)
13.
General Comments on Rare Earth and Scarce Resources in Baiyunebo(to be continued)
白云鄂博矿区稀土稀有矿产资源综合评述(一)
14.
a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone.
一种稀有的、坚硬的黄绿色矿物，由铝酸铍构成，呈结晶状，用作宝石。
15.
China has rare metals and all kinds of mineral resources, so foreigners know they can make profits here.
我们有稀有金属，有各种矿藏，有油水。
16.
The panda is now a rare animal.
熊猫现在是稀有动物.
17.
The food here is rare.
这儿的食物很稀有。
18.
conservation of rare plants
珍贵稀有植物的保护