| 单词 | atomic number 3 |
| 释义 | atomic number 3 (extremely rare) n WORD FAMILY atomic number 3 n a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals Syn|Hyper Li, lithium metal, metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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