n.胚珠

The ovule is the female reproductive cell in plants.
这是植物的雌性生殖细胞。
The pollen grain reaches the ovule through the style.
花粉粒通过花柱到达卵细胞。
The ovule develops into the seed after fertilization.
受精后，卵细胞发育成种子。
The ovule contains the胚包含the雌配子体, which produces the egg cell.
卵细胞中含有雌配子体，它产生卵细胞。
The ovule is enclosed in a structure called the ovary.
卵细胞被一个叫做子房的结构包围。
The ovule is usually located in the stigma of the flower.
卵细胞通常位于花的柱头上。
In some plants, the ovule is not fertilized and does not develop into a seed.
在一些植物中，卵细胞未受精，不会发育成种子。
The ovule is an important part of the plant's reproductive system.
卵细胞是植物繁殖系统的重要组成部分。
The ovule is surrounded by a layer of cells called the integument.
卵细胞周围有一层细胞称为珠被。
The ovule is a small, oval-shaped structure found in the female reproductive organs of plants.
卵细胞是一种小的椭圆形结构，位于植物的雌性生殖器官中。