长江天堑 chángjiāngtiānqiàn Yangtze River natural barrier Definitions Defs Origin Strokes Stroke Words Sentences Sents 长江天堑 長江天塹 chángjiāngtiānqiàn Yangtze River natural barrier Refers to the Yangtze River's role as a strategically important natural defense or moat because of its width and flow. Frequency Written text 0.031 per million Sources Frequency data BCC Corpus (BLCU)
长江天堑 長江天塹 chángjiāngtiānqiàn Yangtze River natural barrier Refers to the Yangtze River's role as a strategically important natural defense or moat because of its width and flow. Frequency Written text 0.031 per million Sources Frequency data BCC Corpus (BLCU)
