pollen的例句大全

Its proboscis has got stuck to a lot of pollen.

它的喙上粘了很多花粉。

Hay fever sufferers have a worse time when the pollen count is high.

花粉计数高时,枯草热患者的日子就更不好过了.

Avoid trips to the country while the pollen count is high.

花粉计数高时，尽量避免去乡村旅行。

You can buy a formulation containing royal jelly, pollen and vitamin C.

可以买一种含蜂王浆、花粉和维生素C的配方产品。

Certain varieties cannot be fertilised with their own pollen.

某些物种只能异花授粉。

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.

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.

Flowers are designed to attract insects which then carry the pollen from plant to plant.

花的作用在于吸引昆虫，然后昆虫再将花粉传到其他植株上。

As the day goes on, the pollen dries up and becomes hard.

日子一天天过去，花粉干结成了硬块。

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.

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花蜜和花粉是很有营养的.

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的.

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.

He developed an allergy to pollen.

他对花粉过敏.

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。

Japanese cedar pollen as an exacerbation factor in atopic dermatitis: Results of atopy patch testing and histological examination

日本雪松花粉是特应性皮炎的一个恶化因素：特应性斑贴试验和组织学检查结果

Each of the mature pollen grains has 2 nuclei, 1 germination pore, Its ovule is anatropous, double integument and tenuinucellate.

成熟花粉粒2核，1萌发孔；

Studies on induction of pollen plants and androgenesis in Maize

玉米花粉植株的诱导和雄核发育的研究

Studies on Relationship and Evolution of Amygdalus Plants by SDS Electrophoresis Analysis of Pollen Proteins

桃属植物种间亲缘关系及演化研究&花粉蛋白SDS电泳分析

The flower abortion was of two types: anandrous and pollen abortion.

花的败育出现无雄蕊型和花粉败育型。