动词
中文翻译：保持
同义词：
['maintain', 'preserve', 'sustain']
例句：
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1.The team is keeping a close eye on the game's progress.
团队正密切关注比赛的进展。
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2.She kept her promise to help me with my homework.
她答应帮我完成作业。
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3.The company is keeping its employees happy and healthy.
公司努力让员工快乐和健康。