Definition
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maintain
To keep something in a particular state or condition; to preserve.
保持某物处于特定状态或条件;维护。
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She tries to maintain a healthy lifestyle by exercising regularly.
她通过定期锻炼来保持健康的生活方式。
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It is important to maintain good relationships with your colleagues.
与同事保持良好的关系是很重要的。
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They worked hard to maintain the quality of their products.
他们努力保持产品的质量。