硫化氢 liúhuàqīng hydrogen sulfide Definitions Defs Origin Strokes Stroke Words Sentences Sents 硫 liú sulfur (bound form) sulfur; a nonmetallic chemical element with the symbol S化 huà nounverb to change to change; to transform; to convert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
