| 单词 | 卤素 |
| 释义 | 〔halogen〕Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine.卤素：包括氟、氯、溴、磺、砹有化学关系的五个非金属元素一族中的任何一个〔halide〕A chemical compound of a halogen with a more electropositive element or group.卤化物：由一种卤素与另外一带正电的金属元素或族形成的一种化合物〔chlorine〕A highly irritating, greenish-yellow gaseous halogen, capable of combining with nearly all other elements, produced principally by electrolysis of sodium chloride and used widely to purify water, as a disinfectant and bleaching agent, and in the manufacture of many important compounds including chloroform and carbon tetrachloride. Atomic number 17; atomic weight 35.45; freezing point -100.98°C; boiling point -34.6°C; specific gravity 1.56 (-33.6°C); valence 1, 3, 5, 7. See table at element 氯：一种具有很大刺激性的、几乎能与所有其它元素化合黄绿色气体卤素，主要通过电解氯化纳获得，作为一种消毒及漂白剂广泛用于使水净化，以及用在包括三氯甲烷和四氯化碳在内的许多重要化合物的生产过程中。原子序数为17；原子量为35.45；冰点为零下100.98°C；沸点为零下34.6°C；比重为1.56（零下33.6°C）；化合价1，3，5，7 参见 element〔halogenate〕To treat or combine with a halogen.卤化：用卤素处理或与卤素引起化合〔fluorine〕A pale-yellow, highly corrosive, poisonous, gaseous halogen element, the most electronegative and most reactive of all the elements, used in a wide variety of industrially important compounds. Atomic number 9; atomic weight 18.9984; freezing point -219.62°C; melting point -223°C; boiling point -188.14°C; specific gravity of liquid 1.108 (at boiling point); valence 1. See table at element 氟：一种浅黄色、强腐蚀性、有毒的气态卤素，是带有最强的负电性和最强抗电性的元素，被广泛应用于多种重要的工业化合物中。原子数为9；原子量为18.9984；凝点为-219.62°C；溶点为-223°C；沸点为-188.14°C；特定液态引力为1.108（于沸点）；原子价为1 参见 element〔halogen〕halo- [halo-] halo- [前缀，表示含卤素的] |
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