动词短语
中文翻译：提升
同义词：
['elevate', 'ascend', 'advance', 'rise']
例句：
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1. After years of hard work, she finally stepped up to take the leadership role.
经过多年的辛勤工作，她终于晋升为领导角色。
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2. The company is stepping up its efforts to improve its product line.
该公司正在加大努力改进其产品线。
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3. The new manager has stepped up his game and is making significant improvements in the company's performance.
新任经理提高了自己的表现，并显著改善了公司的绩效。