one day a dog with a piece of meat in his mouth was crossing a plank over a stream意思是什么?was...
问题描述：
one day a dog with a piece of meat in his mouth was crossing a plank over a stream意思是什么?was...
one day a dog with a piece of meat in his mouth was crossing a plank over a stream意思是什么?was后面的句子不太懂,为什么用两个冠词?
答
crossing a plank过一座独木桥
over a stream小溪上面
小溪上的独木桥