| 词汇 | helium | 
| 释义 | helium  noun [ U ] uk/ˈhiː.li.əm/ us/ˈhiː.li.əm/ (symbol He)  氦 a chemical element that is a gas lighter than air, that will not burn and is used in balloons, airships, and some types of lights | 
| 随便看 | 
 | 
MX2U.com英汉词典共收录126179条英汉翻译词条,基本涵盖了全部常用英语词汇的翻译、用法及例句,是英语学习的有利工具。