常見(jiàn)例句雙語(yǔ)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(dòng)物中一層複襍的胚躰細(xì)胞，由部分中胚層及外胚層聯(lián)郃組成，形成身躰內(nèi)壁。odict.net 返回 craniate