动词
中文翻译：晋升
同义词：
['elevate', 'ascend', 'advance例句：1. The company has decided to step up its marketing efforts in the new market.（公司决定在新的市场上加大营销力度。）']
例句：
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1. The company has decided to step up its marketing efforts in the new market.
公司决定在新的市场上加大营销力度。
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2.The team stepped up their training sessions after the unexpected loss.
在意外失利后，团队加强了训练。
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3. She stepped up as the leader when her boss was absent.
当她的老板缺席时，她挺身而出担任领导。