动词
中文翻译：保持
同义词：
['protect', 'safeguard', 'uphold']
例句：
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1. We must protect the environment for future generations.
我们必须为后代保护环境。
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2. The company is committed to protecting its customers' privacy.
该公司致力于保护客户的隐私。
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3. The government has been working hard to protect the national treasures.
政府一直在努力保护国家宝藏。