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单词 pollen
释义

pollen

听听怎么读
英 [?p?l?n]
美 [?pɑl?n]
是什么意思
  • n.

    花粉;[虫]粉面;

  • vt.

    传授花粉给;用花粉掩盖;

  • 变形

    复数:pollens

    英英释义

    pollen[ 'p?lin ]

    • n.the fine spores that contain male gametes and that are borne by an anther in a flowering plant
    学习怎么用

    词组短语

    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

    双语例句

    用作名词(n.)
    1. Ben is allergic to pollen.
      班对花粉过敏。
    2. Anther is a part of a flower that contains the pollen.
      花药是花的雄蕊上带花粉的部分。
    3. There is a high pollen count in the air.
      空气中有很高的花粉计数。
    4. Stamen is in the middle of a flower and may produce pollen.
      雄蕊长在花的中央,能产生花粉。

    权威例句

    A Textbook of Pollen Analysis
    Transgenic pollen harms monarch larvae.
    Clinical efficacy of grass-pollen immunotherapy.
    Pollen-Ovule Ratios: A Conservative Indicator of Breeding Systems in Flowering Plants
    Pollen limitation of plant reproduction: ecological and evolutionary causes and consequences
    Long-Term Clinical Efficacy of Grass-Pollen Immunotherapy
    Palynology. (Book Reviews: Textbook on Pollen Analysis)
    Pollen immunotherapy reduces the development of asthma in children with seasonal rhinoconjunctivitis (the PAT-study)
    The relative risks of sensitivity to grass pollen, house dust mite and cat dander in the development of childhood asthma
    Influence of grass pollen immunotherapy on cellular infiltration and cytokine mRNA expression during allergen-induced late-phase cut...
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