Read Edit View history 长年累月 chángniánlěiyuè for years Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 长年累月/長年累月 · chángniánlěiyuè · for years 2026/03/04 长年累月 / 長年累月 chángniánlěiyuè for years year in, year out; over a long period of time 他长年累月地在实验室工作，终于取得了突破。 idiom created sense Mar 4, 2026, 02:25 AM