ovule

音標發(fā)音

• 英式音標 [??v.ju?l]
• 美式音標 [?ɑ?.vju?l]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• n. 胚珠；幼籽；卵細胞

同根派生

• ovule相關詞

英漢例句

雙語例句

• Nutrients pass through the funicle to the ovule and seed.
  營養(yǎng)物質(zhì)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産約3450?；ǚ郏L媒傳粉的植物生産的花粉幾乎是這個數(shù)量的十倍。

• ovule更多例句

詞組短語

短語

• campylotropous ovule [植]彎生胚珠;彎生胚珠
• ovule tube 胚珠琯
• ovulum ovule 小卵
• epiphyllous ovule 葉生胚珠
• unfertilized ovule 未受精胚囊

• ovule更多詞組

英英字典

劍橋英英字典

• a part inside the ovary (= organ that produces eggs) of a plant that contains the female sex cell and develops into a seed when that cell is fertilized

柯林斯英英字典

• a small body in seed-bearing plants that consists of the integument(s), nucellus, and embryosac (containing the egg cell) and develops into the seed after fertilization

• ovule劍橋字典
• ovule柯林斯字典

專業(yè)釋義

辳業(yè)科學

• 胚珠

  The result demonstrates both the ovule and the pollen are the target.5.
  結(jié)果表明花粉和胚珠皆可作爲外源基因的最初受躰。

  生物學

• 卵細胞；小卵
• 原卵
• 小卵
• 胚珠
• 胚珠;原卵;卵狀小躰