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Pollen的音标发音

Pollen

英式发音:['pln] or ['pɑln] 美式发音

    (noun.) the fine spores that contain male gametes and that are borne by an anther in a flowering plant.

    埃德温娜手打


Pollen

双语例句


  • At seven he painted the Battle of Waterloo with tiger-lily pollen and black-currant juice, in the absence of water-colours. 托马斯·哈代. 还乡.
  • Many exotic plants have pollen utterly worthless, in the same condition as in the most sterile hybrids. 查尔斯·达尔文. 物种起源.
  • Nearly all our orchidaceous plants absolutely require the visits of insects to remove their pollen-masses and thus to fertilise them. 查尔斯·达尔文. 物种起源.
  • As the wind had set for several days from the female to the male tree, the pollen could not thus have been carried. 查尔斯·达尔文. 物种起源.
  • Now, it is scarcely possible for insects to fly from flower to flower, and not to carry pollen from one to the other, to the great good of the plant. 查尔斯·达尔文. 物种起源.
  • In other orchids the threads cohere at one end of the pollen-masses; and this forms the first or nascent trace of a caudicle. 查尔斯·达尔文. 物种起源.
  • When an insect visits a flower of this kind, it rubs off some of the viscid matter, and thus at the same time drags away some of the pollen-grains. 查尔斯·达尔文. 物种起源.
  • Thus, in plants, the office of the pistil is to allow the pollen-tubes to reach the ovules within the ovarium. 查尔斯·达尔文. 物种起源.
  • The petals in the imperfect flowers almost always consist of mere rudiments, and the pollen-grains are reduced in diameter. 查尔斯·达尔文. 物种起源.
  • Insects in seeking the nectar would get dusted with pollen, and would often transport it from one flower to another. 查尔斯·达尔文. 物种起源.
  • As beekeeping developed as an industry, the close relationship to fruit growing and horticulture became apparent, as bees were discovered to be the greatest pollen carrying agents known. 佚名. 神奇的知识之书.
  • It has lately been shown that bees, instead of searching for pollen, will gladly use a very different substance, namely, oatmeal. 查尔斯·达尔文. 物种起源.
  • When the bees gather pollen and make wax and build cells, each step prepares the way for the next. 约翰·杜威. 民主与教育.
  • And I will throw in Robert Brown's new thing--'Microscopic Observations on the Pollen of Plants'--if you don't happen to have it already. 乔治·艾略特. 米德尔马契.

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