名词
中文翻译：步骤
同义词：
['stage', 'phase', 'stage']
例句：
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1. The scientist took a step forward in his research.
科学家在他的研究中迈出了一步。
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2. We need to take several steps before we can solve the problem.
我们需要采取几个步骤才能解决这个难题。
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3. He stepped into the room and closed the door behind him.
他走进房间，关上门。