Second of all the motif of guards who block access to the tree of life suggests that no humans have access to immortality and the pursuit of immortality is futile.

第二点，那些阻止人类接近生命树的守卫,暗示着，任何人类关于永生的尝试,最后都是徒劳一场。

耶鲁公开课 - 旧约导论课程节选

And what precisely are these cherubim that are stationed in front of the tree of life barring access?

这些守护生命树的天使,到底是什么东西？

耶鲁公开课 - 旧约导论课程节选

Once they discovered their moral freedom, once they discovered that they could thwart God and work evil in the world, and abuse and corrupt all that God had created, then God could not afford to allow them access to the tree of life.

一旦他们意识到了，道德自由,一旦他们违背上帝，开始作恶,摧残，腐化，上帝的创造物,上帝便不准他们再接近生命树。

耶鲁公开课 - 旧约导论课程节选

It is expected to last 18 months but will not affect opening times or access to the tree collection, the Forestry Commission said.

BBC: Westonbirt Arboretum: Development work starts

As a local group becomes well known, tree owners will often come forward offering access to their unwanted apples or pears.

BBC: Ripe for the picking