形容词
中文翻译：Unknown
同义词：
['crucial', 'essential', 'vital例句：1. The success of the project depends on the pivotal role played by the team leader.（项目的成功取决于团队领导的关键作用。）']
例句：
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1. The success of the project depends on the pivotal role played by the team leader.
项目的成功取决于团队领导的关键作用。
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2. The company's survival is pivotal to its long-term growth.
公司的存续对其长期增长至关重要。
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3. The decision was pivotal in the outcome of the debate.
这个决定在辩论的结果中起到了关键作用。