pollen

[美]/ˈpɒlən/
[英]/ˈpɑːlən/
词频: 极高

释义

vt. 传授花粉给
n. 花粉
词形变化
复数pollens

短语搭配

bee pollen

蜂花粉

pollen tube

n. 花粉管

pine pollen

松花粉

pollen grain

花粉粒

pollen mother cell

花粉母细胞

例句

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的。

Pollen morphology of Plumbaginaceae in China.

中国白花丹科花粉形态研究.

semisterile pollen; semisterile male pupae.

半能育的花粉;半能育的雄性蛹

The outer wall (extine) of the pollen grain is often diagnostic (see pollen) and very resistant to decay.

花粉粒外壁(花粉壁)通常为特异性的并很难腐烂。

He developed an allergy to pollen.

他对花粉过敏。

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。

Pollen makes my nose run.

花粉使我流鼻涕

Pollen morphology of the family Thymelaeaceae in China.

我国瑞香科(Thymelaeaceae)植物的花粉形态.

The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.

其异极3沟或6沟型花粉与真双子叶植物的3沟花粉的相似是趋同演化的结果。

Pollen disease is a kind of hypersensitiveness occurring on the sensitive individuals to the allergic pollen, and is the most representative disease of allergic diseases.

花粉症是敏感个体对花粉的一种超敏反应,在变态反应性疾病中最具代表性。

after the another lobes dehisce, the pollen is set free.

另一个裂片张开以后,花粉就散出来了。

Result:The pollen is morphologically oblate, suboblate, spheroidal and prolate.

结果:其花粉多为扁球形、近球形、三角形、四角形等;

The pollen of the weed is the main sensibiligen of hay fever in human.

豚草花粉是人类枯草热症的主要致敏源。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单核期的小孢子出现壁发育不良和巨大及空花粉现象。

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。

The research showed that the pollen of seedless wampee is approximately round in shape and unequigranular,It has a high abnormality rate,a low pollen germination rate and short pollen tubes.

对郁南无核黄皮花、果生长发育的生物学特性进行系统观察的结果表明:无核黄皮的花粉比有核黄皮的花粉略大,且大小不均匀,畸形率相对较高,花粉萌发率低,花粉管短;

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。

Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

雄原核:在被子植物花粉管中的生殖细胞(应为雄原核译者注)分裂成两个配子的核。

原声例句

No short of pollen and nectar lovers here.

这里少不了喜欢花粉和花蜜的生物。

来源: Insect Kingdom Season 2 (Original Soundtrack Version)

It`s not fertilie to say that it`s simply a pollen.

不能简单地说它只是一种花粉。

来源: CNN 10 Student English April 2018 Compilation

Asthma attacks can be triggered by pollen, dust, harsh chemicals or scents.

花粉、灰尘、刺激性化学物质或气味可引发哮喘。

来源: Scientific World

Plants also give off scents which attract insects to spread their pollen.

植物也会散发气味,吸引昆虫传播花粉。

来源: Asap SCIENCE Selection

And pollen loads, the amount of pollen released by plants, are 21 percent higher.

植物释放的花粉量增加了21%。

来源: VOA Special English Health

This means they do not collect the pollen or spread plants' seeds.

这意味着它们不收集花粉或传播植物的种子。

来源: VOA Special May 2022 Collection

Each spring, pollen from nearby plants is blown into the water.

每年春天,附近的花粉被风吹入池塘。

来源: North American Great Plains - Wild New World

And, there are insects that rob nectar from flowers without transferring any pollen at all.

还有一些昆虫在不传递任何花粉的情况下从花中掠夺花蜜。

来源: Crash Course Botany

It grounds the pollen down, it's bound to finally clear the air.

它让花粉散落下来,最终一定会让空气变得清新。

来源: CNN 10 Student English April 2019 Collection

They found that ragweed plants produced much more pollen when carbon dioxide levels increased.

他们发现,二氧化碳浓度增加时,豚草产生了更多花粉。

来源: VOA Special May 2019 Collection

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