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汉语拼音：xī yǒu jīn shǔ

自然界中相对含量很少、分布稀散或难于提取的金属。其制取较为繁杂，常需经过制取化合物后，才能冶炼成金属。用于制造特种钢、超硬合金和耐高温合金等，在原子能、航空、航天、电子等工业中占有重要地位。

1. 地壳中储藏量少，矿体分散的金属。如锂、铍、铷、钛、钒、钽、铌、镓、铟等。

• He has gone further than perhaps any other major investor, betting the majority of his wealth on gold and other precious metals.

  他也许比其他任何一个大投资人都走得更远：卡普兰把自己的大部分财富压在了黄金和其他稀有金属上面。

• the invention is widely used for extracting rear metals, noble metals and nonferrous metals.

  广泛用于提炼稀有金属、贵金属、有色金属。

• They found a rare metal near the mill.

  他们在磨房附近发现了一种稀有金属。

• Here, observers analyzed that tariff regulation was really one of the measures that Beijing took to protect rare metals.

  此间观察者分析，调节关税的确是北京试图保护稀有金属的措施之一。

• Among the losers: U. S. auto retailers, platinum and palladium producers, parts suppliers, and the Japanese auto industry itself.

  而输家则包括美国汽车零售商、稀有金属铂和钯的生产商、零部件制造商，以及日本汽车业自身。

• The quotas of these metals to foreign companies are shrinking fast, giving China's own state-owned enterprises an upper hand.

  当其它国家稀有金属的配额快速缩减时，中国国有企业已占得先机。

• MLR is now directly in charge of examining and approving exploration and mining rights for tungsten and rare earth minerals.

  目前，钨和稀有金属矿产的勘探和开采都必须直接经由国土资源部直接考核和审批。

• Minor metals traders believe that antimony prices could surge even higher as consumers in Europe continue to scramble for supplies.

  稀有金属交易员认为，随着欧洲客户继续争夺锑供应，锑价可能会进一步飙升。

• She called for America's partners to find alternative sources of these metals, which are used in computers and other electronics products.

  她呼吁美国盟友寻找这些稀有金属的替代资源。稀土材料被用于电脑和其他电子产品上。