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。

柯林斯例句

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。

柯林斯例句

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.

《简明英汉词典》

Nectar and pollen are very nutritious.

花蜜和花粉是很有营养的.

《简明英汉词典》

He developed an allergy to pollen.

他对花粉过敏.

《简明英汉词典》

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.

《简明英汉词典》

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。

辞典例句

Certain varieties cannot be fertilised with their own pollen.

某些物种只能异花授粉。

辞典例句

Its proboscis has got stuck to a lot of pollen.

它的喙上粘了很多花粉。

辞典例句

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.

辞典例句

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.

辞典例句

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.

辞典例句

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.

辞典例句

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.

辞典例句

A serologic reaction retards the growth of the pollen tube.

血清反应阻止花粉管生长.

辞典例句