| 单词 | 软金属 |
| 释义 | 〔terbium〕A soft, silvery-gray metallic rare-earth element, used in x-ray and color television tubes. Atomic number 65; atomic weight 158.924; melting point 1,356°C; boiling point 3,123°C; specific gravity 8.229; valence 3, 4. See table at element 铽：一种银灰色的软金属性稀土元素，用于X光射线和彩色显像管中。原子序数65；原子重量158.924；熔点1,356°C；沸点3,123°C；比重8.229；化合价3,4 参见 element〔strontium〕A soft, silvery, easily oxidized metallic element that ignites spontaneously in air when finely divided. Strontium is used in pyrotechnic compounds and various alloys. Atomic number 38; atomic weight 87.62; melting point 769°C; boiling point 1,384°C; specific gravity 2.54; valence 2. See table at element 锶：一种银色易氧化的软金属，被分割时能在空气中自燃。锶被用于烟火材料的复合物和各种合金。原子序数为38；原子量为87.62；熔点为769°C；沸点为1,384°C；比重为2.54；化合价为2 参见 element |
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