动词
中文翻译：保持
同义词：
['maintain', 'preserve', 'hold', 'safeguard']
例句：
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1. I need to keep my room clean and tidy.
我需要保持我的房间干净整洁。
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2. The team needs to keep practicing to improve their skills.
团队需要不断练习以提高技能。
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3. The scientist kept the secret of the new discovery for years.
科学家保守了这个新发现的秘密多年。