她为了增加食欲散了很长时间的步。

She went for a long walk to work up an appetite.

《牛津词典》

我尽情享受了一次长时间的热水浴。

I indulged myself with a long hot bath.

《牛津词典》

有一段令人尴尬的长时间的沉默。

There was an awkwardly long silence.

《柯林斯英汉双解大词典》

And the Aristotelian view held for a long time, but eventually it started to crumble in the light of more data.

而亚里士多德的观点在很长时间里得到了认同，但最终还是崩溃了,在越来越多的数据面前。

麻省理工公开课 - 固态化学导论课程节选

This was even longer than that. But also I would have to write this thing for one of the classes,

去年那段时间比高中的学习时间还长。而且我们还要写一些东西，

耶鲁的忙碌生活 - SpeakingMax英语口语达人

Right, leading trips everywhere from 7 days to 78 days, and so it was an extended wilderness tracking program.

的确，我需要带领学生们远足，时间由7天到78天不等，这是一个长时间探寻野外的项目。

普林斯顿公开课 - 人性课程节选