羽毛未丰 yǔmáowèifēng young and immature Origin Definitions Defs Strokes Stroke Words Sentences Sents 羽毛 yǔmáo noun feather feather; plumage; plume未 wèi adverb not yet (bound form) not yet; have not; did not; shows that something has not happened or is not yet complete丰 豐 fēng adjectiveverb plentiful (bound form) abundant; plentiful; bounteous; fertile