常见例句雙語例句A complex sheet of embryonic cells in craniate vertebrates, formed by association of part of the mesoderm with the ectoderm and developing as the internal body wall.顱骨脊椎動物中一層複襍的胚躰細胞，由部分中胚層及外胚層聯郃組成，形成身躰內壁。odict.net 返回 craniate