边患 biānhuàn frontier troubles Definitions Defs Origin Strokes Stroke Words Sentences Sents 边患 邊患 biānhuàn frontier troubles disaster or unrest in border regions caused by foreign invasion or incursions Frequency Written text 0.078 per million Sources Frequency data BCC Corpus (BLCU)
边患 邊患 biānhuàn frontier troubles disaster or unrest in border regions caused by foreign invasion or incursions Frequency Written text 0.078 per million Sources Frequency data BCC Corpus (BLCU)
