The astrolabe had long been the primary instrument for navigation, having been introduced in the eleventh century.

自11世纪星盘被引入以来，它一直都是航海的重要工具。

youdao

Evidently, however, Hurston had prepared another version, a manuscript that was recently discovered and published after having been forgotten since 1929.

然而，赫斯顿显然准备了另一个版本，一部自从1929年以来就被遗忘了的手稿最近被发现并发表了。

youdao

But if improving their hunting luck was the chief motivation for the paintings, it is difficult to explain why only a few show signs of having been speared.

但是，如果增强他们的狩猎运气是这些画的主要动机，那么就很难解释为什么只有少量画作有被长矛刺过的迹象。

youdao

About eighty percents of illnesses spread by food are still listed as having been caused by "unspecified agents."

VOA: special.2011.01.11

All of Milton's labors in the cause of liberating England from the tyranny of monarchy had in some way - could be construed as having been useless.

弥尔顿为把英国从君主暴政解放出来,所做的努力在某种程度上,可以说是付之东流了。

耶鲁公开课 - 弥尔顿课程节选

Sidney believed this so much in fact that when he knew himself to be dying, having been mortally wounded in a battle, he ordered that all of his own poems be burned.

西德尼深信他的这一观点,甚至当他快死的时候，也就是在战场上受了致命伤以后，他要求别人焚烧他写的全部诗歌。

耶鲁公开课 - 文学理论导论课程节选

And finally, despite having been on notice multiple times, Khartoum has failed to stop the violence.

BBC: [an error occurred while processing this directive]

Thomas has played his last game for Cardiff Blues, having been released with immediate effect.

BBC: Gareth Thomas switches codes in Crusaders move

He is serving a life sentence having been denied parole and still maintains his innocence.

BBC: Celebration held for murdered woman Helen McCourt