Practice and Pondering over Ecological Rehabilitation through Grazing Ban and Closing Hillsides to Facilitate Afforestation in Ningxia是什么意思_Practice and Pondering over Ecological Rehabilitation through Grazing Ban and Closing Hillsides to Facilitate Afforestation in Ningxia在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句