工运 gōngyùn labor movement Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 中国大运河是世界上最长的人工运河。 zhōngguó dàyùnhé shì shìjièshang zuì cháng de réngōng yùnhé. The Grand Canal in China is the longest artificial canal in the world. Source: CCMatrix