I know not what the younger dreams-- Some vague Utopia--and she seems, When withered old and skeleton-gaunt, An image of such politics.

我不知年幼者梦想什么-,某种模糊的乌托邦--她仿佛，当枯萎衰老瘦骨嶙峋的时候，这类政治的一个鬼影。

耶鲁公开课 - 现代诗歌课程节选

But people died typically of either infectious diseases or they died during childbirth, or they might have died at old age which would have been 50 or so at that time.

那时的人要么死于传染病,要么在分娩的过程中死去,或者在他们大约五十岁左右的时候,死于衰老

耶鲁公开课 - 生物医学工程探索课程节选

The red blood cells that carry oxygen only live within your circulation for about a month and so you have to continually be replacing cells that are dying and so there are cells that are proliferating.

携带氧的红细胞,在你的循环系统中的寿命只有一个月,因此你必须持续不断地更新衰老的细胞,所以就有在增殖的细胞

耶鲁公开课 - 生物医学工程探索课程节选