pollen造句_pollen例句_pollen用法_优词词典

1. Some people have an allergy to pollen.: 一些人对花粉有过敏反应。

2. Change the filters on your air-conditioning vents. These filters are dust and pollen magnets.: 更换空调通风口的过滤器。这些过滤器是灰尘和花粉的“吸铁石”。

3. The problem occurs because plants need to transfer pollen by wind and insect to fertilization and reproduce.: 发生这样的问题是因为植物需要通过风和昆虫传递花粉进行受精繁殖。

4. Scientists at the University of California, Berkeley, set up the experiment to study how pollen blown by breezes moves between plants.: 加州大学伯克利分校的科学家们通过实验研究微风是如何吹动花粉在植株间运动的。

5. Transfer of pollen from one plant to another; cross-pollination.: 异花受粉把花粉从一棵植物传到另一棵里；

6. Your body may have a threshold for a particular allergen, such as pollen or animal dander.: 人身体内对过敏原都有一个特定的界限，比如花粉或动物的皮屑。

7. There were micronucleus at telophase in another pollen mother cells.: 另一些花粉母细胞在末期具有微核。

8. This also explains why some migrants from east Asia to northern Europe suddenly develop an allergic reaction to jackfruit once they have come into contact with birch pollen.: 这也解释了为什么来自东亚的某些移民，到了北欧后，一旦接触到桦树花粉，会突然出现菠萝蜜过敏反应的现象。

9. A bee, after all, can only carry so much pollen at once. The wind is not so limited.: 一只蜜蜂，它充其量也只能一次带一点花粉，而风却没有这样的限制。

10. Earlier pollen analyses also indicated a delay between the time of death and burial .: 较早的花粉分析也显示出死亡和葬礼间有时间上的延迟。

11. Pollen samples indicated forests were replaced by fields of cotton and corn.: 花粉样本也表明森林被棉花地和玉米地所取代。

12. 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。

13. Pollination is the mechanical transfer of pollen from the anthers to the stigmas.: 授粉是机械地把花药里的花粉传送到柱头上去。

14. Its ability to distinguish more than 170 odours in the wild is vital for smelling nectar, pollen , water, tree resin and pheromones.: 它能在野外辨别170多种气味。这种能力对闻花蜜、花粉、水、树脂和信息素的至关重要。

15. Enects of N￣+ ion implantation into cotton pollen on the morphology, viability and fertility were analysed.: 本文分析了氮离子注入棉花花粉对其形态，生活力和育性的影响。

16. The degeneration of mitochondria is one of the earliest events in pollen abortion .: 线粒体的退化是花粉败育中最早发生的现象之一。

17. This is because the protein found in birch pollen to which people are allergic is very similar to proteins found in the flesh of apples.: 这是因为在引起人们过敏的白桦树花粉中找到的蛋白质和在苹果果肉中发现的很类似。

18. Wang health foods main management, bee glue. Royal jelly. Pollen. Honey. Cosmetics.: 汪氏保健食品主经营，蜂胶。王浆。花粉。蜂蜜。化妆品。

19. Pollen is usually blown to other trees and fertilizes their ovules.: 花粉经常会被风吹到其他树上，使它们的胚珠受精。

20. 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。

21. The total amount of pollen was measured more accurately by 30 millimetre diameter globes.: 用直径30毫米的球形收集器，可以更准确地测定花粉的总量。

22. But researchers also detected starch, pollen, charcoal, fats and linen fibers.: 但研究人员也检测到淀粉、花粉、木炭、脂肪和亚麻纤维。

23. I have not come across much of golden pollen in her lotus bank, but have nothing to complain of as regards the profusion of the sweet savour of good-fellowship.: 在她的莲花池边，我没有沾到多少金色的花粉，但要说到美好友谊的馥郁芳香，我是不敢有半句怨言的。

24. Pollen is typically at its highest point during midday and afternoon hours, so those who suffer with allergies and asthma should avoid going outside during those times of day.: 正午和下午都是花粉活动的高峰期，因此容易过敏的人和哮喘病患者应该避免在一天中的这些时间内出门。

25. The pollen morphology of10 species of Scorzonera genus in the Mongolian Plateau was observed by scanning electronic microscope.: 用扫描电子显微镜观察了蒙古高原鸦葱属植物10个种的花粉形态。

26. With different methods three kinds of functional factors including immune protein factor gibberellin and cyclic hydroxamic acid have been extracted from wall-broken cole bee pollen.: 本文采用不同的实验方法，从破壁油菜蜂花粉中分别提取了蛋白免疫因子、赤霉素以及环氧肟酸三种功能因子。

27. A beekeeper, seeing the bee collect pollen from flowers and carry it to the hive, says that it exists to gather honey.: 一个养蜂人看见蜜蜂从花里收集花粉，带去蜂房，就说蜜蜂为了采蜜而存在。

28. Many people are allergic to airborne pollutants such as pollen.: 许多人对空气传播的污染物过敏，比如花粉。

29. Many people are allergic to airborne pollutants such as pollen.: 许多人对空气传播的污染物过敏，比如花粉。

30. Pollen sterile blossoms lack normal turgor.: 花粉不育的花朵缺乏正常的膨压现象。

31. However, pollen insect-pollinated (entomophilous)species is also often transported by wind.: 然而，虫媒传粉（虫媒植物）种的花粉也常常由风来输送。

32. 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。

33. A serologic reaction retards the growth of the pollen tube.: 血清反应阻止花粉管生长。

34. Some people have an allergy to pollen.: 一些人对花粉有过敏反应。

35. 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。

36. 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。

37. Both the pollen grains and the gynoecia are active.: 花粉粒和雌蕊都具有活力。

38. On the plus side, wind dilutes and scatters air pollutants, and carries pollen.: 从好处来说，风能稀释和驱散空气中的污染物质，传播花粉。

39. 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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