动词
中文翻译：保持
同义词：
['maintain', 'preserve', 'keep', 'hold']
例句：
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1. The old house was kept in good condition by the family for generations.
这座老房子由这个家族代代相传，保养得很好。
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2. The scientist kept his findings a secret until the results were published.
科学家将他的发现保密，直到结果公布。
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3. The children kept their room tidy and clean.
孩子们把他们的房间打扫得干干净净。