首頁英語詞典hydrogenhydrogen英英釋意

hydrogen

英 ['ha?dr?d?(?)n] 美['ha?dr?d??n]
  • n. [化學] 氫

英英釋意

1. 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