小儿麻痹病毒 xiǎo'érmábìbìngdú poliovirus Origin Definitions Defs Strokes Stroke Words Sentences Sents 小儿麻痹 小兒麻痹 xiǎo'érmábì polio infantile paralysis; poliomyelitis病毒 bìngdú noun virus a type of tiny microorganism that causes infection and can only reproduce inside the living cells of a host