名词
中文翻译：阶段
同义词：
['period', 'stage', 'phase', 'period of time']
例句：
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1. The research phase is crucial for the project's success.
研究阶段对于项目的成败至关重要。
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2. She entered the competition at the final phase.
她在最后阶段参加了比赛。
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3. The team worked diligently through several phases before reaching the final goal.
团队经过几个阶段的努力，最终达到了目标。