N-SING (活动或情形的)支点,支柱 If you say that someone or something is thefulcrum of an activity or situation, you mean that they have a very important effect on what happens. (活动或情形的)支点,支柱 [formal]
He will shortly become the fulcrum of the England team.
他不久就会成为英格兰队的支柱。
The decision is the strategic fulcrum of the Budget. [+ of]