英语词汇“helium”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
释义	helium noun uncountable chemistry UK /ˈhiːliəm/ DEFINITIONS1 1 a chemical element which is a gas that is lighter than air. Its symbol is He and it is often used for lifting large balloons. Synonyms and related words Gases acetylene ammonia argon Synonyms and related words Chemical elements actinium alkali metal aluminium helium noun uncountable chemistry US /ˈhiliəm/ DEFINITIONS1 1 a chemical element which is a gas that is lighter than air. Its symbol is He and it is often used for lifting large balloons. Synonyms and related words Gases acetylene ammonia argon Synonyms and related words Chemical elements actinium alkali metal aluminum
随便看	better for someone better half better known as better late than never better luck next time betterment better off better safe than sorry better still/yet better the devil you know (than the devil you don’t) better yet/still better yourself bet the farm betting betting shop betty crocker between between the devil and the deep blue sea between the wars between you, me, and the gatepost betwixt betwixt and between be two years/ten years etc someone’s junior be two years/ten years etc. someone’s junior be two/three etc years someone’s senior

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