| 单词 | 金刚石 |
| 释义 | 〔carbon〕Symbol C A naturally abundant nonmetallic element that occurs in many inorganic and in all organic compounds, exists freely as graphite and diamond and as a constituent of coal, limestone, and petroleum, and is capable of chemical self-bonding to form an enormous number of chemically, biologically, and commercially important molecules. Atomic number 6; atomic weight 12.01115; sublimation point above 3,500°C; boiling point 4,827°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4. See table at element 符号 C 碳：一种在自然界很丰富的非金属元素，存在于很多无机化合物和有机化合物中，以石墨和金刚石的形式以及作为煤，石灰岩和石油的一种成份大量存在，能在化学上自我结合而形成大量化学上，生物上和商业上重要的分子，原子序数6；原子量12.01115；升华点高于3,500°C；沸点4,827°C；非结晶质碳的比重为1.8至2.1，钻石的比重为3.15至3.53，石墨的比重为1.9至2.3；化合价为2，3，4 参见 element〔adamant〕from Latin adamās adamant- [hard steel, diamond, anything inflexible] 源自 拉丁语 adamās adamant- [硬钢，金刚石，任何坚硬的物品] 〔adamant〕A stone once believed to be impenetrable in its hardness.硬石，金刚石：一种曾被认为在硬度上不可穿透的石头〔adamant〕from Greek adamas adamant- [hard steel, diamond, anything fixed or unalterable, unconquerable] * see demə- 源自 希腊语 adamas adamant- [硬钢，金刚石，任何固定的、不可更改的或不可征服的物品] * 参见 demə- 〔adamantine〕Having the hardness or luster of a diamond.似金刚石的：具有金刚石的硬度或光泽的〔bort〕Poorly crystallized diamonds used for industrial cutting and abrasion.下等金刚石，工业用钻石：结晶很差的金刚石，用于工业切割和研磨 |
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