绿色义工行动计划是在全世界范围内，将人们派向大自然进行清理和保护工作。

Green volunteer work projects send people to nature cleanups and preservation efforts all over the world.

youdao

绿色义工行动计划是在全世界范围内，将人们派向大自然进行清理和保护工作。

Green volunteer work projects send people to nature cleanups and preservation efforts all over the world.

youdao