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

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	euro-group eurogroup euro hockey league eurohorc euro-house euro-india economic business group euro inter bank offered rate euro inter-bank offered rate euro interbank offered rate euro inter bank offer rate euro inter-bank offer rate federal cigarette labeling and advertising act federal cigarette labeling and advertising act of 1965 federal cigarette labeling and advertising act of 1967 federal circuit patent law cases federal civil court jurisdiction federal civil defense administration federal clean air act amendments of 1990 federal coal mine health and safety act federal college of education federal college of education women association federal college of wildlife management federal college work study federal college work-study program federal colony of the windward islands

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

helium 4