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单词 perpetual motion
释义
perpetual motion
/ p??pet?u?l ?m???(?)n /
  • 简明释义
  • 永动机:一种理想的机械运动,可以在不依赖外部能源的情况下持续运转。
  • 英英释义
  • n.
    • 1

      motion that continues indefinitely without any external source of energy; impossible in practice because of friction

  • 双语例句
  • 1
    Because of their perpetual motions, molecules of these mixtures penetrated mud, sand, eventually reached the surface, bringing disaster to vegetation, polluting plants and withering them.
    这些混合物的分子长期运动,透过泥层、砂层殃及植被,使植物污染枯萎。
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更新时间:2025/8/9 19:28:25