The artificial afforestation area is 4.388 million hectares,and the afforestation area by the plane is 911000 hectares.是什么意思_The artificial afforestation area is 4.388 million hectares,and the afforestation area by the plane is 911000 hectares.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句