| 单词 | 稀有矿物 |
| 释义 | 〔scandium〕A silvery-white metallic element found in various rare minerals and separated as a byproduct in the processing of certain uranium ores. An artificially produced radioactive isotope is used as a tracer in studies of oil wells and pipelines. Atomic number 21; atomic weight 44.956; melting point 1,540°C; boiling point 2,850°C; specific gravity 2.99; valence 3. See table at element 钪：一种发现于许多稀有矿物中的银白色金属元素，是某种铀矿加工过程中分离出的副产品，人造放射性同位素被用作油井和油气管道的探测剂。原子序数21；原子量44.956；熔点1,540°C；沸点2,850°C；比重2.99；化合价3 参见 element〔cobaltite〕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 |
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