叶红素 yèhóngsù carotene Origin Definitions Defs Strokes Stroke Words Sentences Sents 叶 葉 yè noun leaf leaf of a plant; foliage; something resembling a leaf, such as a lobe of a lung or a shutter blade红 紅 hóng adjective red the color of blood; having a reddish color素 sù noun element (bound form) essential part; element; constituent; basic nature