I don't think it very relevant whether the death comes about because you withdraw life support, like a ventilator, or because you actually decide to end that child's life by giving the child a lethal injection.

我觉得这也与造成死亡的原因无关,无论是通过撤走维持生命的仪器，比如呼吸机，还是通过药物注射,结束孩子的生命。

普林斯顿公开课 - 人性课程节选

In order for life to proceed, you need to maintain a constant internal environment.

为了维持生命,人体的内环境需要保持稳定

耶鲁公开课 - 生物医学工程探索课程节选

Imagine a body towards the end of life,on life support machinery.

想象一下身体濒死，靠着维持生命的机械存活。

耶鲁公开课 - 死亡课程节选

So suppose,gruesome as it was,this weekend I'm in some horrible accident and my torso gets destroyed and they keep my brain on life support, oxygenating it just long enough to do some radical surgery into some spare torsos.

来做个可怕的假设，我在周末惨遭事故,肉体完全损坏，只剩大脑靠系统维持生命，持续补氧到能被高超手术植入另外的身体。

耶鲁公开课 - 死亡课程节选