It's only a short trip ( ) a train.括号里填by 还是 on?说明理由
问题描述：
It's only a short trip ( ) a train.括号里填by 还是 on?说明理由
答
就是坐车坐车,你就坐在车上,“you are on the train” 要是说“towards”,那么你就在说“it's only a short trip towards a train”就是说“