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Where Have All the Bees Gone?
2015-04-20来源:VOA
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pollinator – n. something that gives (a plant) pollen from another plant of the same kind so that seeds will be produced
pollen – n. the very fine usually yellow dust that is produced by a plant and that is carried to other plants of the same kind usually by wind or insects so that the plants can produce seeds
ecosystem – n. everything that exists in a particular environment
commercial – adj. related to or used in the buying and selling of goods and services
pesticide – n. a chemical that is used to kill animals or insects that damage plants or crops
hive – n. a nest for bees
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