推本溯源 tuīběnsùyuán trace back Definitions Defs Origin Strokes Stroke Words Sentences Sents 推本溯源 tuīběnsùyuán trace back idiom to go back to the source Frequency Written text 0.003 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
推本溯源 tuīběnsùyuán trace back idiom to go back to the source Frequency Written text 0.003 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)