英语翻译是at a farm 还是on the farm

英语翻译是at a farm 还是on the farm 在农场上是on the farm还是in the farm还是at the farm? arrive on farm还是arrive at farm? 是in the farm 还是 on THE FARM 是in farm还是on farm 弱弱的问下on the farm 与on a farm及at a farm的区别? at the farm 跟on the farm 有什么不同? live on a farm 还是 live in a farm my uncle works on a farm now. 什么用介词on 而不用at on the farm =at The old men work on a farm,they are ( )(farm) on farm on the farm 区别 意思为去农场时是go to a farm 还是go to the farm