单词:ovule
音标:['әuvju:l] ;
[医] 原卵, 卵泡内卵, 卵状小体, 小卵
n. a small body that contains the female germ cell of a plant; develops into a seed after fertilization
n. a small or immature ovum
n. a small or immature ovum
词型变化:名词复数形式 : ovules
词性分布:
ovule的用法和样例:
例句
用作名词(n.)
- 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。
- Seed development in most instances commences following fertilization of the ovule.大多数种子的形成是从胚珠受精开始的。
- The fertilized ovule becomes the seed, and the ovary becomes the fruit.已受精的卵子成为种子,而子房变成了果实。
- Male reproductive cells travel down the tube and join with the ovule, fertilizing it.雄性生殖细胞到达花柱然后加入卵子,使它授精。
词汇搭配
- aropous ovule直生胚珠
- campylotropous ovule弯生胚珠
- anatropous ovule倒生胚珠
- marginal ovule边缘胚珠
- antitropal ovule直生胚珠
- ovule culture胚珠培养
- ovule stalk珠柄
- apotropous ovule下转胚珠
- ovule tube胚珠管
- amphitropous ovule横生胚珠,曲生胚珠...
【近义词】
- seed种子