ovule
常見例句
- Nutrients pass through the funicle to the ovule and seed.
營養(yǎng)物質通過珠柄傳遞到胚珠和種子。 - Once the egg is fertilized, the ovule becomes a seed, and the whole ovary becomes a fruit.
一旦受精卵形成,胚珠就變成一顆種子,整個子房就變成一個水果。 - Whereas animal-pollinated plants produce a median of 3, 450 pollen grains for every ovule, wind-pollinated plants produce almost 10 times as much.
蟲媒傳粉的植物平均每個胚珠生產約3450?;ǚ?,風媒傳粉的植物生產的花粉幾乎是這個數量的十倍。 返回 ovule