It's a provisional ending. It's not a rhyme word, and so it doesn't constitute the end of a unit of sense as a rhyme word would in most heroic couplets.

它不是真的结尾，不是韵脚，因此它不像大部分英雄双韵体中的韵脚词一样,标志着一个意思表达的完结。

耶鲁公开课 - 弥尔顿课程节选

Indeed, who was one the heroines of the Battle of Jericho, if not a Canaanite woman, a prostitute no less, named Rahab.

事实上，她是耶利哥之役的一位女英雄，如果不是迦南妇女，是妓女或者更甚，叫哈布。

耶鲁公开课 - 旧约导论课程节选

Well I was thinking it's the same reason on 9/11 with regard to the people who flew the plane into the Pennsylvania field as heroes because they chose to kill the people on the plane and not kill more people in big buildings.

我认为这和9·11的时候是一种情况1,那些让飞机在宾州坠毁的人，被视为英雄,因为他们选择了牺牲自己,而不是让飞机撞向大楼牺牲更多人。

耶鲁公开课 - 公正课程节选