形容词
中文翻译：至关重要的
同义词：
['crucial', 'decisive', 'essential']
例句：
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1.The success of the project depends on the pivotal role of the team leader.
项目的成败取决于团队领导的关键作用。
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2. The decision to pursue a new business venture was pivotal in shaping our future.
追求新商业冒险的决定是我们未来塑造的关键。
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3.The company's survival depended on its ability to adapt to market changes, which is a pivotal factor in its success.
公司的生存依赖于其适应市场变化的能力，这是其成功的关键因素之一。