音標(biāo)發(fā)音英式音標(biāo) [??v.ju?l]美式音標(biāo) [?ɑ?.vju?l]英式發(fā)音 美式發(fā)音 基本解釋n. 胚珠;幼籽;卵細(xì)胞同根派生 ovule相關(guān)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(gè)子房就變成一個(gè)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(gè)胚珠生産約3450?;ǚ郏L(fēng)媒傳粉的植物生産的花粉幾乎是這個(gè)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(xué)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(wèi)外源基因的最初受躰。生物學(xué)卵細(xì)胞;小卵原卵小卵胚珠胚珠;原卵;卵狀小躰