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	tree-covered hill Tree crops tree crown cover tree cultivation tree cutter tree cutting treed treed and planting tree death tree decoration tree depth tree display tree distribution treed lot tree-dwelling tree exercise tree expansion tree failure tree falling tree family tree farm tree-felling tree fern tree ferns tree fibre

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—