| 单词 | helium |
| 释义 | heliumhelium /ˈhiliəm/ noun [uncountable] (symbol He) science, chemistry a gas that is an element and that is lighter than air, often used in order to make balloons float [Origin: 1800–1900 Greek helios sun; because it was discovered in the sun’s spectrum] |
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英语词典包含48224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。