There had been a half century that had passed since any great modern epic or romance epic had even been produced.

在过去的半个世纪中,没有任何伟大的现代史诗或浪漫史诗出现。

耶鲁公开课 - 弥尔顿课程节选

And this is one of the major revolutions in evolutionary biology over the last half century.

这是过去半个世纪,进化生物学的重大进步之一。

耶鲁公开课 - 心理学导论课程节选

My goal in this course is to allow you or to invite you to read someof the most compelling novels written in the last little over a half century.

我上这门课的目的,就是让你或者说是邀请你,来读一些刚过去的半个多世纪里,最引人注目的小说。

耶鲁公开课 - 1945年后的美国小说课程节选