pollen

英 ['pɒlən] 美['pɑlən]

TEM8GRETOEFL低频词扩展词汇花

复数: pollens;

pollen 花粉

来自拉丁语pollen,谷物粉，面粉，来自PIE*pel,面粉，粉末，粉尘，词源同polenta,powder.后引申词义花粉。

1. the fine spores that contain male gametes and that are borne by an anther in a flowering plant

pollen: pollen: [16] Pollen originally meant ‘flour’ in English. Not until the 18th century was it taken up as a botanical term. It was borrowed from Latin pollen ‘powder, dust, flour’, a relative of pulvis ‘dust’ (source of English powder and pulverize) and polenta ‘pearl barley’ (source of English polenta [16]).
=> polenta, powder, pulverize
pollen (n.): 1760 as a botanical term for the fertilizing element of flowers (from Linnæus, 1751), earlier "fine flour" (1520s), from Latin pollen "mill dust; fine flour," related to polenta "peeled barley," and pulvis (genitive pulveris) "dust," from PIE root *pel- (1) "dust; flour" (cognates: Greek poltos "pap, porridge," Sanskrit pálalam "ground seeds," Lithuanian pelenai, Old Church Slavonic popelu, Russian pépelŭ "ashes").

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。

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。

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。

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.

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。

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.

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。

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.

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.

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.

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.