hydrogen
'haidrәdʒәn
基本解释
n. 氢
[化] 氢H-2
英文释义
n. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
词形变化
上一个单词：hydrogels
下一个单词：hydrogen acceptor