延年 yánnián prolong life Definitions Defs Origin Strokes Stroke Words Sentences Sents 延年 yánnián prolong life verb to prolong life Frequency Written text 0.366 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
延年 yánnián prolong life verb to prolong life Frequency Written text 0.366 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
