英语词汇helium-4-atomkern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-atomkern
释义	helium noun— 氦 n (almost always used) 氦气 n less common: 氮气 n Examples: helium (chemistry)— 氦 alpha particle (helium nucleus)— 阿尔法粒子
随便看	day-money day money-back guarantee day movement day moving day moving average day name day newspaper day & night camera day & night camera day & night camera day-night cream day-night cycle Day-night indications. day-night indications. day-night indicator day night switch day night switching day notice day number day nurse day nurseries day nursery day nursing Day observed day o due

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

helium noun—