单词	parent responsibility
释义	parent responsibility父母责任
随便看	principal components analysis principal components regression principal component transformation principal composition series principal congruence principal congruence subgroup principal contour principal controller principal coordinate principal coordinate plane principal coordinates principal coordinates analysis principal crop principal crossed homomorphism principal cubic root principal current principal curvature principal curvatures principal curve principal cyst principal cyst-- mother cyst-- parent cyst principal cyst; mother cyst; parent cyst principal data principal degree principal derivative