对角线 duìjiǎoxiàn diagonal Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 画一条对角线,把正方形分成两个三角形。 huà yī tiáo duìjiǎoxiàn, bǎ zhèngfāngxíng fēnchéng liǎng ge sānjiǎoxíng. Draw a diagonal line to divide the square into two triangles. Source: UM-Corpus: News