pollen
音标与读法
这里为大家介绍下pollen 是什么意思,希望能帮助到各位朋友。
音标:[ "pɔlin ]过去式:pollened过去分词:pollened现在分词:pollening中英文翻译
n.
1.【植物;植物学】花粉。
2.【虫类】粉面。
vt.
授粉给;传粉给;用花粉掩盖。
the fine spores that contain male gametes and that are borne by an anther in a flowering plant
例句与用法
1.The pollen is shed directly on the stigma .
花粉直接散落在柱头上。
2.Some people have an allergy to pollen .
一些人对花粉有过敏反应。
3.Both the pollen grains and the gynoecia are active .
花粉粒和雌蕊都具有活力。
4.Pollen sterile blossoms lack normal turgor .
花粉不育的花朵缺乏正常的膨压现象。
5.A serologic reaction retards the growth of the pollen tube .
血清反应阻止花粉管生长。
6.Pollen vectors among animals are apes, lemurs, indian bears .
动物中传粉媒介有猿、狐猿、印度熊。
7.The scarcity of internally-generated pollen may be overlooked .
这样国内花粉不足的情况便会被忽视。
8.Varieties that do not produce fertile pollen are used as females .
不产生可育花粉的品种被用作母体。
9.Germinability of pollen largely depends on the extraction procedure .
花粉的发芽力大部分取决提取的过程。
10.In practice, wind-borne pollen from outside will enter an orchard .
实际上,来自园外的花粉会随风飘到园内。
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