动词
中文翻译：保持
同义词：
['maintain', 'preserve', 'sustain']
例句：
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1. The team kept their heads high despite the loss.
尽管输了，但团队依然保持了高昂的士气。
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2. She kept her promise to finish the project on time.
她遵守承诺，按时完成了这个项目。
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3. The company kept its employees informed about any changes in the workplace.
公司确保员工了解工作场所的任何变化。