氦[hài] 基本解释:
新英汉大词典:
- 氦[hài]
- 名词- {化} helium (2号元素,符号 He)
以上内容来源于:《新汉英大辞典》
例句与用法:
A colorless, odorless, tasteless, gaseous mixture, mainly nitrogen(approximately78 percent) and oxygen(approximately21 percent) with lesser amounts of argon, carbon dioxide, hydrogen, neon, helium, and other gases.
氦的其他解释: