名词
中文翻译：保存
同义词：
['conservation', 'conservationist', 'preservationist']
例句：
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1. The government is working hardto preserve the natural environment.
政府正在努力保护自然环境。
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2. The scientist is a conservationistwho works to protect endangered species.
这位科学家是一位保护濒危物种的环保主义者。
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3. The preservation of culturalheritage is crucial for the survival of oursociety.
文化遗产的保护对于社会的存续至关重要。