常见例句The sehell Sahel is the area of Africa that lines lies between the sehelre Sahara desert to the north and more fortal fertile land to the south. 植树活动早就了绿色的尼日尔 荒漠草原是非洲的一个地区,它北接撒哈拉沙漠,南边却是更加肥沃的土地。 返回 Fortal