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preventer    
n. 妨碍者,阻扰者,妨碍物

妨碍者,阻扰者,妨碍物


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英文字典中文字典相关资料:


  • 32 Facts About Pistil
    Discover 32 fascinating facts about the pistil, the female reproductive part of a flower, and learn how it plays a crucial role in plant reproduction
  • Pistil | Definition, Description, Facts | Britannica
    Pistil, the female reproductive part of a flower Each pistil consists of an ovule-containing ovary, a stalklike style, and a receptive stigma Learn more about the structures and composition of pistils, their role in pollination, and their taxonomic importance
  • Pistil Facts – qiazhan. com
    pistil, the female reproductive part of a flower The pistil, centrally located, typically consists of a swollen base, the ovary, which contains the potential seeds, or ovules; a stalk, or style, arising from the ovary; and a pollen-receptive tip, the stigma, variously shaped and often sticky
  • The Pistil of a Flower: A Simple Guide to Its Purpose
    The pistil is far more than just a “female part” of a flower—it’s the **engine of plant reproduction**, the **bridge between pollen and seeds**, and the **foundation of fruits and vegetables** we enjoy daily
  • pistil | FactMonster
    The pistil is usually called the female reproductive organ of a flowering plant, although the actual reproductive structures are microscopic The pistil has a bulbous base (the ovary) containing the ovules, which develop into seeds after fertilization of egg cell (s) in the ovule
  • Gynoecium - Wikipedia
    A pistil typically consists of an expanded basal portion called an ovary, an elongated section called a style and an apical structure called a stigma that receives pollen
  • Part of a Flower - Fun Facts About Flowers - SmartClass4Kids
    The basic unit of the pistil is known as the CARPEL Each pistil may consist of one or more carpels A collection of pistils is called the GYNOECIUM Flowers can have more than one pistil For example sweet peas have only one pistil But mustard, lily have more than one pistil





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