单词 | 冰点 |
释义 | 〔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〔water〕A clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life and the most widely used of all solvents. Freezing point 0°C (32°F); boiling point 100°C (212°F); specific gravity (4°C) 1.0000; weight per gallon (15°C) 8.337 pounds (3.772 kilograms). 水:清洁、无色、无嗅、无味的液体,H2O,为绝大部分植物和动物生命所必需,广泛用于所有的溶剂。冰点为零摄氏度(32华氏度);沸点为100摄氏度(212华氏度);标准密度为(4摄氏度)1.0000;每加仑(15摄氏度)重8.337磅(3.772公斤) 〔antifreeze〕A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point.防冻剂,防冻液,抗凝剂:一种物质,通常是液体,如乙二醇或酒精,和另一种液体混合来降低冰点〔frostbite〕Injury or destruction of skin and underlying tissue, most often that of the nose, ears, fingers, or toes, resulting from prolonged exposure to freezing or subfreezing temperatures.霜害:由于长期暴露在结冰或近冰点温度下造成皮肤或皮下组织的伤害或损伤,主要在鼻、眼、手指或脚趾处〔Celsius〕Of or relating to a temperature scale that registers the freezing point of water as 0° and the boiling point as 100° under normal atmospheric pressure. See table at measurement 摄氏的:将正常大气压下水的冰点作为0°C、沸点作为100°C的一种温标的,或与之相关的 参见 measurement |
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