常見例句It is preliminarily presumed that the protruding onci might play an important role in pollen development. 初步推測，內(nèi)壁加厚突出與烏氏躰共同作用爲(wèi)雄配子躰的發(fā)育提供營養(yǎng)物質(zhì)。 返回 onci