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单词
ovule
释义
ovule
英
/ ??vju?l; ???vju?l /
美
/ ?o?vju?l /
简明释义
n.
胚珠;幼籽;卵细胞
网络释义
1
?胚珠
胚珠
短语
1
number of ovules
胚珠数目
2
nabothian ovules
纳博特氏卵状小体
3
Ovules Erect
胚珠直立
双语例句
1
The
ovules
are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.
胚珠是半球形的,有2个被膜,腱鞘状,而原孢子细胞直接作为大孢子母细胞起作用。
2
There are 2
ovules
at the base of the ovuliferous.
珠鳞基部近轴面着生2个胚珠;
3
Pollen is usually blown to other trees and fertilizes their
ovules
.
花粉通常会被风吹到其它树上使其受精。
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更新时间:2025/8/18 21:16:00