词汇	和蔼严肃的脸孔
释义	和蔼严肃的脸孔 kind stern face
随便看	inversion of in-situ stress Inversion of interface inversion of interval inversion of Kan and li inversion of kinematic chain inversion of kinematic-chain inversion of landform inversion of linkage mechanism inversion of matrix inversion of mechanical parameters inversion of negative dislocation Inversion of nipple inversion of oceanographic element inversion of pair inversion of pairs inversion of partitioned matrix inversion of phase inversion of phases inversion of phenolsulfonphthalein excretion inversion of point inversion of price inversion of rainfall inversion of relation inversion of relief Inversion of responsibility