Read Edit View history 自乘 zìchéng square Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 自乘 · zìchéng · square 2026/03/04 自乘 zìchéng square (math.) to multiply a number by itself; to square 一个数自乘就是求它的平方。 idiom created sense Mar 4, 2026, 02:25 AM