pollen的例句（pollen在句子中的用法）

• He developed an allergy to pollen. 他对花粉过敏。
• 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。
• Nectar and pollen are very nutritious. 花蜜和花粉是很有营养的。
• pollen granule 花粉粒
• 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。
• A serologic reaction retards the growth of the pollen tube. 血清反应阻止花粉管生长.
• When pollen maturating , many small calcium precipitates distributed in its cytoplasm, especially in nucleus. 接近开花时的成熟花粉粒细胞质中, 细小的钙颗粒主要分布在营养细胞和生殖细胞中.
• They strip it with their mandibles and pack it into the pollen baskets on their legs. 它用上颚把蜂胶剥下来,把它放进它腿上的花粉篮里.
• On the plus side, wind dilutes and scatters air pollutants, and carries pollen. 从好处来说, 风能稀释和驱散空气中的污染物质, 传播花粉.
• Propolis consists of 55 % resinous compounds and balsams, 30 % beeswax , 10 % aromatic oils, 5 % bee pollen. 蜂胶包含55%的树脂化合物和香液, 30%的蜂蜡, 10%香油和5%的蜂粉.
• Pollination is the mechanical transfer of pollen from the anthers to the sti gmas. 授粉是机械地把花药里的花粉传送到柱头上去.
• METHODS: The pollen allergens were purified by gelatin filtration. 方法: 采取凝胶过滤方法分别提纯上述花粉变应原.
• The total amount of pollen was measured more accurately by 30 millimetre deameter globes. 用直径30毫米的球形收集器,可以更准确地测定花粉的总量.
• Its proboscis has got stuck to a lot of pollen. 它的喙上粘了很多花粉。
• 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.
• There were micronucleus at telophase in another pollen mother cells. 另一些花粉母细胞在末期具有微核.
• Cytoplastic male sterility ( CMS ) in higher plants is a maternally inherited inability to produce functional pollen. 高等植物中的细胞质雄性不育 ( CMS ) 是一种不能产生功能性花粉的母性遗传的性状.
• The pollen is released when the lobes split open longitudinally. 当花粉成熟时,药隔每侧的两个花粉囊相互连通.
• Larix pollen is abundant in the Last Glacial sediments of Sakhalin and Hokkaido islands. 萨哈林岛(库叶岛)和北海道的末次冰期沉积含丰富的落叶松花粉.
• Hydrophily Pollination in which water carries the pollen from anther to stigma. 水媒:是以水为媒介将花粉传递到植物柱头的一种传粉方式.