pivotal

• 形容某事物对另一事物的发展或成功具有决定性的关键作用；也可指起中心枢纽作用的。

Describes something that is of crucial importance in relation to the development or success of something else.

1. Crucially importantB2formal

   Of crucial importance in relation to the development or success of something else.

   关键的

   • The discovery of penicillin was a pivotal moment in medical history.
   • Her role in the project was pivotal to its success.
   • This election is a pivotal event for the country's future.

   同义词centralclimactericcriticalcrucialdecisiveessentialkeyvital

   反义词inconsequentialinsignificantminorunimportant

2. Central or keyB2formal

   Being the central or most important part of a system, event, or situation.

   关键的

   • The CEO played a pivotal role in the company's turnaround.
   • The treaty was a pivotal point in international relations.
   • His testimony was pivotal in the court case.

   同义词centralcriticalcrucialdecisiveessentialkeymainmomentousprincipalvital

   反义词insignificantminorperipheralsecondaryunimportant