英语词汇helium-4怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	helium-4
释义	helium-4 n. 【核】氦－4 (指质量素为4的氦同位素)
随便看	this (very) moment this-worldliness this-worldlinesses this-worldly this (或 the) vale of tears thither thitherto thitherward thitherwards thitherward(s) thiuram thivel thixotropic thixotropically thixotropies thixotropy Thiès Th.M. tho tho' thole thole tholed tholeiite tholeiites

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