贞干 zhēngàn backbone Definitions Defs Origin Strokes Stroke Words Sentences Sents 贞干 貞幹 zhēngàn backbone (variant form) pillars of a building; used figuratively for a core member of a group or a person who serves as a mainstay Cross-References Has variant 桢干 zhēngàn
贞干 貞幹 zhēngàn backbone (variant form) pillars of a building; used figuratively for a core member of a group or a person who serves as a mainstay Cross-References Has variant 桢干 zhēngàn
