基本解釋[生物學]胎囊英漢例句雙語例句The chorion and amnion are foetal membranes that contribute to the placenta and the foetal sac respectively.絨毛膜和羊膜是分別形成胎盤和羊膜囊的胎膜組織。foetal sac更多例句專業(yè)釋義生物學胎囊