名词
中文翻译：Unknown
同义词：
['preservation', 'conservation of matter', 'conservation of resources', 'protection']
例句：
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1. The government is working hard to preserve the environment for future generations.
政府正努力为后代保护环境。
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2. The conservation of natural resources is crucial for sustainable development.
自然资源的保存对可持续发展至关重要。
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3. The conservation of endangered species is essential for biodiversity.
保护濒危物种对于生物多样性至关重要。