| 单词 | rare-earth |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔didymium〕A mixture of rare-earth elements and oxides used chiefly in manufacturing and coloring various forms of glass.稀土与氧化物混合物：稀土元素和氧化物的混合物，这要用于制造和给各种形式的玻璃上色美国传统〔euxenite〕A lustrous, blackish-brown rare-earth mineral consisting primarily of cerium, erbium, titanium, uranium, and yttrium.黑稀金矿：一种光亮的棕黑色稀土矿石，主要由铈、铒、钛、铀和钇构成美国传统〔rare earth〕A rare-earth element.稀土元素美国传统〔rare earth〕Any of various oxides of the rare-earth elements.稀土：稀土元素中的任意一种矿物美国传统〔samarskite〕A velvet-black mineral that is a complex mixture of several rare-earth metals with niobium and tantalum oxide.铌钇矿：一种鹅绒黑色矿物，是几种稀土金属与铌、钽氧化物的混合物美国传统〔terbium metal〕Any of several rare-earth metals separable from other metals as a group and including europium, terbium, and gadolinium.铽金属：能够同其它金属元素分开的几种稀土元素的任何一种或几种，包括镝、铽和钆等美国传统 |
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