国际社会为保护人类环境加强国际间的协作亦付出了较大的努力。

International community has made great efforts to protect human environment and strengthen inter national cooperation.

youdao

国际社会为保护人类环境加强国际间的协作亦付出了较大的努力。

International community has made great efforts to protect human environment and strengthen inter national cooperation.

youdao