常見例句These orient themselves so that a fluid-filled cavity, the blastocoel, forms inside the mass of cells.這些細(xì)胞進(jìn)行自我調(diào)整,以致在細(xì)胞群內(nèi)部形成一個充滿液躰的腔,即囊胚腔。 返回 blastocoel