动词
中文翻译：保持
同义词：
['maintain', 'preserve', 'guard']
例句：
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1. The team kept their heads high and won the game.
队伍保持镇定，赢得了比赛。
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2. She kept her promise to help him after he got injured.
她在他受伤后兑现了承诺来帮助他。
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3. Keeping a diary can be a great way to organize your thoughts.
写日记是一个很好的整理思绪的方法。