ovule

常见例句

双语例句

• Nutrients pass through the funicle to the ovule and seed.
  营养物质通过珠柄传递到胚珠和种子。
• Once the egg is fertilized, the ovule becomes a seed, and the whole ovary becomes a fruit.
  一旦受精卵形成，胚珠就变成一颗种子，整个子房就变成一个水果。
• Whereas animal-pollinated plants produce a median of 3, 450 pollen grains for every ovule, wind-pollinated plants produce almost 10 times as much.
  虫媒传粉的植物平均每个胚珠生产约3450粒花粉，风媒传粉的植物生产的花粉几乎是这个数量的十倍。
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