The idea has an important theoretical value nowadays. And it is an inspiration for us to keep ecological balance an…
这对我们今天保持生态平衡,保护环境,具有重大的理论价值和启示。
词典释义:
保持生态平衡
The idea has an important theoretical value nowadays. And it is an inspiration for us to keep ecological balance an…
这对我们今天保持生态平衡,保护环境,具有重大的理论价值和启示。
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