fulcrum
noun /ˈfʊlkrəm/, /ˈfʌlkrəm/
/ˈfʊlkrəm/, /ˈfʌlkrəm/
(plural fulcrums, fulcra
/ˈfʊlkrə/, /ˈfʌlkrə/
/ˈfʊlkrə/, /ˈfʌlkrə/
)- (physics
物理 （杠杆的）支点，支轴 - [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。
- the fulcrum of the whole debate
词源late 17th cent. (originally in the general sense ‘a prop or support’): from Latin, literally ‘post of a couch’, from fulcire ‘to prop up’.