farm farmland pasture有什么区别

land,floor,ground,earth,farmland,soil,field有什么区别 at the farm 跟on the farm 有什么不同? on farm on the farm 区别 farm什么意思 farm animal 有哪些 on the farm 和 in the farm的区别 on a farm什么意思? farm 前用什么介词? animal farm 有多少单词 farmland可不可数? house animals 与 farm animals 的区别 Farmers often use tractor to do farm work这句话有什么错误?