动词
中文翻译：走
同义词：
['take', 'step on', 'board', 'mount']
例句：
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1. She stepped onto the stage and began to sing.
她走上舞台开始唱歌。
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2. The train will be arriving at the station in 30 minutes.
火车将在30分钟后到达车站。
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3. We need to step up our efforts to improve the quality of education.
我们需要加大努力提高教育质量。