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“氦保护”的英语可以翻译为：helium-atmosphere，heliumshield ...
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“氦核”的拼音为：hài hé...
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“氦层”的拼音为：hài céng...
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“氦”的拼音为：hài...
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“氦”的英语可以翻译为：[化] helium (2号元素， 符号 He) ...
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氦是一种非常轻的气体。Helium is a very light gas.氦是一种用于气球的气体.Helium is a gas used in balloons.与氦 - 4不同之处是, 氦-3不能由放射性衰变产生.Unlike helium - 4, it cannot be produced by radioactive decay....
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“反氦”的英语可以翻译为：antihelium ...
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“氦层”的英语可以翻译为：heilosphere ...
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“氦核”的英语可以翻译为：helion ...
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α粒子是从天然放射性蜕变得到的带正电的氦核.Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.粒子 —— 氦核 —— 正通过试管被抛出, 从而在试管中形成人造迷雾.Alpha particles -- helium nuclei -- were being hurled through the tube...