英语词汇covariance的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	covariance
词根词缀	词源： 1878, from covariant (1853), from co- + variant.
随便看	bisexuality bishop bishopric Bismarck bismillah bismuth bison bisque bissextile bistro bisunite bit bit by bit bitch bitching bitchy bite bitmap bitten bitter bittern bitterness bitters bittersweet BitTorrent

英语词根词缀词典收录了31503条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。