题目内容：

请教一个英语句子 We have build a bridge a hundred meters long.
a hundred meters long是作bridge 的同位语 还是定语后置呢? 怎么区分?谢谢
希望能讲的细点 因为我一直不会区分

优质解答

是做定语后置的,后置定语可以转化为定语从句,它相当于定语从句同时省去了主语和谓语,这个句子可以改为We have built a bridge (which is )a hundred metres long.
而同位语是某个名词的其它形式.I heard the news that our dream had come true.