内心 nèixīn HSK3 heart Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: incenter All meanings 46 nèixīn 46 heart 45incenter 1 1 sentence for 内心 (nèixīn — incenter) 三角形的内心到三条边的距离相等。 sānjiǎoxíng de nèixīn dào sān tiáo biān de jùlí xiāngděng. The distance from the incenter of a triangle to its three sides is equal. Source: Dong Chinese Dictionary