名词
中文翻译：支点
同义词：
['pivot point', 'fulcrum']
例句：
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1. The newpolicy will have a pivotal impacton the company's future development.
新政策将对公司的未来发展产生重大影响。
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2. Theproject is at a critical juncturewhere success or failure depends on apivotal decision.
该项目正处于一个关键时期，成功或失败取决于一个决定性的决策。
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3.The team's performance was crucial insecuring the victory, and their pivotal role cannot be underestimated.
团队的表现在赢得胜利中至关重要，他们的关键作用不容忽视。