ovary wall的用法和樣例：
例句
- The ovary wall remains fleshy after fertilization of the ovule except for the development of a thin outer skin.
除了薄的外果皮的發(fā)育外，子房壁在胚珠受精后仍然保持肉質(zhì)。 - He also observed that gymnosperm ovules were not enclosed in an ovary wall, leading to the establishment of one of the basic differences between angiosperms and gymnosperms.
他還觀(guān)察到裸子植物的胚珠并不是被子房壁包圍，這個(gè)發(fā)現直接導致了被子植物和裸子植物之間最根本的幾點(diǎn)區別的建立。
