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TOEFL IELTS BNC: 3076 COCA: 2820

B2 the protection of plants and animals, natural areas, and interesting and important structures and buildings, especially from the damaging effects of human activity(对动植物、自然地区、历史建筑等的)保护

wildlife conservation野生生物保护
a conservation area保护区

C1 carefully using valuable natural substances that exist in limited amounts in order to make certain that they will be available for as long a time as possible(对自然资源等的)保护,保存,节约

the conservation of coal/gas/oil reserves煤炭/天然气/石油储量的保护
Energy conservation reduces your fuel bills and helps the environment.节省能源能减少你的燃油费,而且还有利于环境。

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