动词短语
中文翻译：Unknown
同义词：
['protect', 'guard against', 'prevent', 'safeguard']
例句：
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1. We need to preserve the environment for future generations.
我们需要为后代保护环境。
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2. The scientist used a special formula to preserve the ancient artifacts.
科学家使用一种特殊的配方来保存古老的文物。
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3. The firefighters were tasked with preserving the historic building from the flames.
消防员的任务是保护这座历史性建筑免受火焰侵袭。