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简明英汉词典
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helium |
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[5hi:ljEm, -liEm] |
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n. |
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氦（化学元素, 符号为He） |
美国传统词典[双解]
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helium |
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he.li.um |
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AHD:[h?“l?-…m] |
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D.J.[6hi8li8*m] |
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K.K.[6hili*m] |
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n.Symbol He （名词）符号 He |
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A colorless, odorless inert gaseous element occurring in natural gas and with radioactive ores. It is used as a component of artificial atmospheres and laser media, as a refrigerant, as a lifting gas for balloons, and as a superfluid in cryogenic research. Atomic number 2; atomic weight 4.0026; boiling point -268.9=C; density at 0=C 0.1785 gram per liter.See table at element |
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氦：自然界天然气体或放射性矿石中一种无色、无味的惰性气体状成分。用作人造大气层和镭射媒体的组成部分，和用作制冷剂及飞行气球的气体，还在低温学研究中用作超流体。原子序数2；原子量4.0026；沸点-268.9=C；浓度在0=C时为每升0.1785克参见 element |
语源
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From Greek h?s [sun (so called because its existence was deduced from the solar spectrum)] * see s3wel- |
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源自 希腊语 h?s [太阳（该元素的存在首先是在太阳光谱中测得，故名）] *参见 s3wel- |
现代英汉词典
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helium |
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[5hi:lIEm] |
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n. |
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〈化〉氦（元素符号为： He） |
现代英汉综合大辞典
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helium |
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[5hi:ljEm, -liEm] |
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n. |
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【化】氦(2号元素, 符号 He) |
继承用法
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helium-atmos-phere |
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n. |
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氦气氛 |
词性变化
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helium |
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[5hi:ljEm, -liEm] |
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adj. |
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氦(气)保护的 |
特殊用法
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liquid helium |
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液态氦 |
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ortho-helium |
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正氦 |
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radiogenic helium |
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放射成因氦 |
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solid helium |
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(低温)固体氦 |
[七国语言]英汉地质大词典
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helium |
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氦 |
[七国语言]英汉地理大词典
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helium |
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氦 |
[七国语言]英汉电子大词典
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helium |
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氦 |
[七国语言]英汉电子工程大词典
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helium |
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氦 |
[七国语言]英汉化学大词典
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helium |
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氦 |
[七国语言]英汉机械大词典
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helium |
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氦 |
[七国语言]英汉矿业大词典
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helium |
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氦 |
[七国语言]英汉农业大词典
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helium |
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氦 |
[七国语言]英汉物理大词典
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helium |
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氦 |
[七国语言]英汉冶金大词典
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helium |
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氦 |
[七国语言]英汉原子能大词典
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helium |
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氦 |
美国传统词典
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helium |
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he.li.um |
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AHD:[h?“l?-…m] |
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D.J.[6hi8li8*m] |
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K.K.[6hili*m] |
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n.Symbol He |
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A colorless, odorless inert gaseous element occurring in natural gas and with radioactive ores. It is used as a component of artificial atmospheres and laser media, as a refrigerant, as a lifting gas for balloons, and as a superfluid in cryogenic research. Atomic number 2; atomic weight 4.0026; boiling point -268.9=C; density at 0=C 0.1785 gram per liter.See table at element |
语源
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From Greek h?s [sun (so called because its existence was deduced from the solar spectrum)] * see s3wel- |
英汉船舶大词典
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helium |
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n.氦 |
朗文英汉综合电脑词典
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helium |
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氦 |
英汉地质大词典
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helium |
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n.氦,盐沼泽群落,沼泽群落 |
英汉环境大词典
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helium |
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n.氦 |
英汉航空大词典
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helium |
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n.氦 |
英汉化学大词典
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helium |
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n.氦 |
英汉海运大词典
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helium |
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氦 |
基本词义
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helium |
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氦(He) |
英汉进出口商品词汇大全
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helium |
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氦 |
英汉计算机大词典
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helium |
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n.氦 |
英汉机械大词典
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helium |
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n.氦,氦He |
英汉建筑大词典
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helium |
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n.氦 |
英汉农牧林大词典
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helium |
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n.氦 |
英汉消防大词典
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helium |
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氦 |
英汉冶金大词典
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helium |
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n.氦 |
英汉医学大词典
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helium |
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n.氦 |