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吕氏英汉字典[简体]:
[繁体]
conservation of natural resources
"conservation of natural resources" Chinese translation
("conservation of natural resources" in Chinese, "conservation of natural resources" 中文翻译,
"conservation of natural resources"发音):
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conservation of natural resources
天然资源保护; 自然资源保护 [天然资源保护; 自然资源保护 ]
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