pollen造句

例句与造句

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. It's difficult to find pollen in a sentence. 用pollen造句挺难的
7. Pollen vectors among animals are apes, lemurs, indian bears .
   动物中传粉媒介有猿、狐猿、印度熊。
8. 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。
9. 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。
10. 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。
11. 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。
12. Various procedures have been advocated for the storage of pollen .
    对于花粉的贮藏已经提出过各种不同的方法。
13. During pollen formation a compound is produced naturally in the anther .
    在花粉形成过程中，花药内天然产生一种化合物。
14. Activation of nucellar cells by discharge from the pollen tubes has been claimed .
    认为由花粉管的流出物能使珠心细胞活化。
15. Pollination is the mechanical transfer of pollen from the anthers to the sti gmas .
    授粉是机械地把花药里的花粉传送到柱头上去。
16. It could be seen as an arrangement to have flowers ready when pollen arrives .
    可以把它看成花粉到来时花早已作好准备的一种配合。
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