... 提高环保意识enhance environmental awareness 保持生态平衡keep ecological balance 生态系统ecosystem ...
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keep ecological balance维护生态平衡 adopt environmental protection technique采取环保技术 ..
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keep p ecological balance 维护生态平衡
·2,447,543篇论文数据，部分数据来源于NoteExpress
In my mind, mankind should keep ecological balance and protect the animals, because they are their friends and it is their duty to take this.
我觉得人类应该保持生态平衡，保护动物，因为动物是他们的朋友，也是他们的责任来承担这一点。
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In order to keep the ecological balance, people should protect animals.
为了保持生态平衡，人们应该保护动物。
The trust added that high levels of fish live at Caen Hill lock on the Kennet and Avon Canal, so management is required to keep an ecological balance.
BBC: Fire-hit Erewash canal set to be restocked with fish
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