词汇	拉松
释义	拉松医Larsson
随便看	covariant co ordinate covariant coordinates covariant correspondence covariant curve covariant derivative covariant derivatives covariant differential covariant differentiation covariant discriminant function covariant divergence covariant element covariant equation covariant four-vector covariant function covariant functor covariant index covariantisation covariant isometric representation covariantization covariantizations covariantize covariantized covariantizes covariantizing covariantly