氢气 qīngqì hydrogen Definitions Defs Origin Strokes Stroke Words Sentences Sents 氢 氫 qīng noun hydrogen the chemical element hydrogen, a colorless, odorless, and tasteless gas that is the lightest of all known substances; usually referred to as 氢气 qīngqì气 氣 qì noun gas gas; air; the state of matter that is neither liquid nor solid
