英语词汇“helium 4”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	helium 4
释义	helium 4 he·li·um 4 (hē'lē-ŭm), The common helium isotope, making up 99.999% of natural helium; it is emitted in the form of alpha rays (which are helium nuclei), from a variety of radionuclides.
随便看	thrummingly thrummy thrums thrumwort thru-open-match thruout thrupenny thrupenny bit thruppence thruppenny bit thruppenny bits thruput thru-reflect-line thrush thrush (bird) thrush breast appearance thrush-breast heart thrush (disambiguation) thrushel thrusher thrushes thrush fungus thrush nightingale thrush nightingales thru-short-match

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helium 4