单词	妇幼比
释义	妇幼比child-woman ratio
随便看	earth ridge earth-rise earthrise earth road earth-rockfill cofferdam earth-rockfill dam earth rotation earth rotation parameter earth rubber earth rubber-- earth scrap earth rubber; earth scrap earths earth's annual motion earth satellite earth--satellite earth satellite vehicle 人造地球卫星 earth's atmosphere earth`s atmosphere earth's axis earthscape earth scattering scoop earth science earth science curriculum project earth science curriculum study earth sciences