Efforts have also been made to develop river banks and plant trees and grass. A rational system of rotation of herds has been enforced, and efforts have been made to prevent the blind reclamation of wasteland at the expense of grassland.是什么意思_Efforts have also been made to develop river banks and plant trees and grass. A rational system of rotation of herds has been enforced, and efforts have been made to prevent the blind reclamation of wasteland at the expense of grassland.在线翻译_英语_读音_用法_例句