pollen
听听怎么读
英 [ˈpɒlən]
美 [ˈpɑlən]
是什么意思
花粉;[虫]粉面;
传授花粉给;用花粉掩盖;
变形
复数:pollens
英英释义
pollen[ 'pɔlin ]
- 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.)
- Ben is allergic to pollen.
班对花粉过敏。 - 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。 - There is a high pollen count in the air.
空气中有很高的花粉计数。 - 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 AnalysisTransgenic pollen harms monarch larvae.Clinical efficacy of grass-pollen immunotherapy.Pollen-Ovule Ratios: A Conservative Indicator of Breeding Systems in Flowering PlantsPollen limitation of plant reproduction: ecological and evolutionary causes and consequencesLong-Term Clinical Efficacy of Grass-Pollen ImmunotherapyPalynology. (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 asthmaInfluence of grass pollen immunotherapy on cellular infiltration and cytokine mRNA expression during allergen-induced late-phase cut...