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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.当论点明确地朝一个方向倾斜时，就有一个支点。
    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’.