花粉

Having small, greenish, unisexual flower heads and producing abundant pollen that is one of the chief causes of hay fever.

豚草一种豚草属的杂草，有绿色、雌雄合一的小花冠，能产大量花粉，是引起干草热的主要原因之一

The treatment of Bt rice pollen, especially at the concentration of 0.050g/ml, resulted in significantly higher larval mortality, longer developmental time, less body weight of early instar larvae, lower pupation and emergence rate, poorer cocoon quality, lesser number of eggs laid and more number of eggs unlaid per female.

Bt水稻花粉，特别在较高浓度处理下，可导致家蚕幼虫死亡率显著增高、取食量显著减少、发育历期显著延长、低龄幼虫体重明显降低、以及化蛹率、蚕茧质量、羽化率和产卵量等显著下降，而腹中残余卵量显著增高等。

The sullen murmur of the bees shouldering their way through the long unmown grass, or circling with monotonous insistence round the dusty gilt horns of the straggling woodbine, seemed to make the stillness more opressive .

蜜蜂，有的在尚未刈倒的长草中间为自己开路，有的绕着枝叶散漫、花粉零落的金色长筒状忍冬花固执地打转，它们沉闷的嗡嗡声似乎使凝固的空气更加难以忍受。

And D5 gene was found specifically expressed intapetum cells as well as in the peripheral cells of the vascular bundle of rice anthers.

本文研究工作的另一部分是关于一个类查尔酮合酶基因D5在花粉发育过程中的功能的研究。

Lodged in the rumpled tissue of a Viburnum tinus stigma, pollengrains from other snowball blossoms swell with moisture.

寄生在一个地中海荚蒾那皱巴巴的组织里，雪球花的花粉从其他花中带着水分膨胀粒化而出。

Lodged in the rumpled tissue of a Viburnum tinus stigma, pollen grain s from other snowball blossoms swell with moisture.

寄生在一个地中海荚蒾那皱巴巴的组织里，雪球花的花粉从其他花中带着水分膨胀粒化而出。

Lodged in the rumpled tissue of a Viburnum tinus stigma, pollen grains from other snowball blossoms swell with moisture.

来自其它雪球花的花粉颗粒落在荚蒾花柱头皱皱巴巴的组织上，吸收湿气而膨涨。

The results indicate that the virosis plants and non virosis plants differed markedly in the free proline contents of anther and in the pollen germination rate.

开花前1d病株花药中游离脯氨酸含量比健株的低26.24％－39.96％，开花当天病株上的花粉萌发率比健株的低14.35％－33.31％。

Waxen cells. The need of honey in the hive surpasses that of pollen, and thehoney-cells are more than "bee-bread" cells.

花粉的需要，因而贮存蜂蜜的巢室比存放食物的巢室多。

Of the white oak, though this is not considered ahoney 'or pollen yielding tree. From the smooth

我见过它们忙碌在白橡树的花朵上，尽管这并没有被认为是产蜂蜜或花粉的树。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。