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fulcrum

noun
/ˈfʊlkrəm/, /ˈfʌlkrəm/
/ˈfʊlkrəm/, /ˈfʌlkrəm/
(plural fulcrums, fulcra
/ˈfʊlkrə/, /ˈfʌlkrə/
/ˈfʊlkrə/, /ˈfʌlkrə/
)
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  1. (physics物理) the point on which a lever turns or is supported(杠杆的)支点,支轴
  2. [usually singular] the most important part of an activity or a situation(活动、情况的)最重要部分,支柱
    • the fulcrum of the whole debate整个辩论的支点
    • There was a fulcrum point when the arguments tipped decidedly in one direction.当争论明显向一个方向倾斜时,就有了一个支点。
  3. Word Originlate 17th cent. (originally in the general sense ‘a prop or support’): from Latin, literally ‘post of a couch’, from fulcire ‘to prop up’.

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