信息 total land degraded,％ land degraded by,Europe,23％用这几个信息造句

信息 total land degraded,％ land degraded by,Europe,23％用这几个信息造句 英语翻译A digital signal can become degraded by quite a bit befo by land和on land的区别 by land什么意思? 可以用by land 表示从陆路去某地吗 which is your land operation in Europe? 中的 land operation 是什 One if by land,two if by 用take off ,get out,land,shout,shop造句 用land man UFO run alien chase 这几个单词写一个小故事 The total water area is about three times_____the land area. Land/earth/soil的区别.分别造句 country,land,state,nation 这几个词有什么区别么?给举几个例子.xiexie