无铅汽油 wúqiānqìyóu unleaded gasoline Origin Definitions Defs Strokes Stroke Words Sentences Sents 无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less铅 鉛 qiān noun lead lead (chemical element, Pb)汽油 qìyóu noun gasoline gasoline; petrol; a fuel oil processed from petroleum used primarily in internal combustion engines or as a solvent