单词	over the grass
释义	over the grass 草地上
随便看	second degree statistics second degree surface second degree type Ⅱ ectopic-atrial block second degree uterine prolapse second dehydration second delay second-delay blasting cap second delay electric detonator second deliverance second demographic transition Second dendrite second dendrite arm spacing second department second departure section second-depth space second derivate action second derivation control second derivative second-derivative Second-derivative absorption spectra second derivative action second derivative-based second derivative control second derivative gravity anomaly Second derivative IR spectroscopy