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随着人民生活的变化,社会的进步,人类赖以生存的自然环境,目前正面临着严重破坏。保护环境,净化环境,已成为当务之急。
With the changes of people’s lives, the progress of society and the natural environment upon which human beings depend, they are now facing serious damage. Protect the environment, purify the environment, has become a top priority.