天险 tiānxiǎn natural barrier Definitions Defs Origin Strokes Stroke Words Sentences Sents 天险 天險 tiānxiǎn natural barrier a naturally formed strategic stronghold or defensive barrier Frequency Written text 0.524 per million Cross-References Classifier 道 dào Sources Frequency data BCC Corpus (BLCU)
天险 天險 tiānxiǎn natural barrier a naturally formed strategic stronghold or defensive barrier Frequency Written text 0.524 per million Cross-References Classifier 道 dào Sources Frequency data BCC Corpus (BLCU)
