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单词 defoliator
释义

Definition of defoliator in English:

defoliator

noundiːˈfəʊlɪeɪtədēˈfōlēˌādər
  • 1An adult or larval insect which strips all the leaves from a tree or shrub.

    食叶昆虫

    Example sentencesExamples
    • These lepidopteran defoliators are among the most destructive insect pests of important crops like corn and cabbage and other vegetables.
    • The caterpillars of the gypsy moth are destructive defoliators that feed primarily on oak trees causing growth loss, crown dieback, and tree mortality.
    • Insecticides kill insect defoliators and vectors of deadly human diseases such as malaria, yellow fever, plague, and typhus.
    • The spruce budworm is a major insect defoliator of forests in northeastern North America, with balsam fir and white spruce figuring as the most vulnerable species.
  • 2A machine that removes the leaves from a root crop.

    除叶机

    Example sentencesExamples
    • Another invention at Hughs's lab, a two-row prototype thermal defoliator, offers hot air as an alternative to chemicals for removing cotton leaves before harvest.

Definition of defoliator in US English:

defoliator

noundēˈfōlēˌādər
  • 1An adult or larval insect that strips all the leaves from a tree or shrub.

    食叶昆虫

    Example sentencesExamples
    • These lepidopteran defoliators are among the most destructive insect pests of important crops like corn and cabbage and other vegetables.
    • Insecticides kill insect defoliators and vectors of deadly human diseases such as malaria, yellow fever, plague, and typhus.
    • The caterpillars of the gypsy moth are destructive defoliators that feed primarily on oak trees causing growth loss, crown dieback, and tree mortality.
    • The spruce budworm is a major insect defoliator of forests in northeastern North America, with balsam fir and white spruce figuring as the most vulnerable species.
    1. 1.1 A machine that removes the leaves from a root crop.
      除叶机
      Example sentencesExamples
      • Another invention at Hughs's lab, a two-row prototype thermal defoliator, offers hot air as an alternative to chemicals for removing cotton leaves before harvest.
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更新时间:2025/7/1 14:55:40