without precedent

without precedent 基本解释

无先例可援,史无前例

词组短语

1、without precedent in history 史无前例的

without precedent 用法和例句

1、It was almost without precedent in local history.

这在当地历史上几乎没有先例。

2、The appointment of female commander of a navy warship is without precedent.

任命海军军舰女舰长是没有先例的。

3、Great, his distinguished performance is really without precedent in history.

好棒!他的杰出表现的确是史无前例。

4、The issue is that this is set to engender an environmental problem that is without precedent.

问题在于，这造成了一个 前所未有的环境问题

5、So the flow of resources from the commodity booms to the bottom billion are without precedent.

因此商品的繁荣将给最底层的10亿人带来可触的未来。

重点词汇

without adv. 在外部；户外；缺少；没有或不显示某事物 prep. 没有，缺乏；在外面 conj. 除非，如果不

precedent n. 前例；先例 adj. 在前的，在先的