長ちょう江こうちょうこうFreq.FrequencyTop 50,000Meanings1nounYangtze River; Changjiang RiverRefers specifically to the Yangtze River in China. The reading ちょうこう is the Japanese on'yomi of the Chinese characters 長江.長ちょう江こうは中ちゅう国ごくで最もっとも長ながい川かわです。The Yangtze River is the longest river in China.