赤杨 chìyáng alder Origin Definitions Defs Strokes Stroke Words Sentences Sents 普通赤杨 pǔtōngchìyáng alder alder tree (Alnus glutinosa)灰赤杨 huīchìyáng gray alder the gray alder or speckled alder (Alnus incana), a deciduous tree species in the birch family绿赤杨 lǜchìyáng green alder green alder (Alnus viridis)