I was with some friends of my mother long ago, and I remember looking at that and just thinking.

我是和我母亲以前的朋友们一起,我记得自己看着它沉思

耶鲁公开课 - 1871年后的法国课程节选

Memory cells are long lasting cells that remember this exposure and can respond very quickly on second exposure.

记忆细胞可以长时间记忆与抗原的接触,并在再次免疫中迅速做出应答

耶鲁公开课 - 生物医学工程探索课程节选

as long as it's small and finite, will lead to some small infinite errors in the formula, but remember it's got to be in the end made to be vanishingly small.

只要它只是有限小,就会在公式中引起无限小的误差,但请记住,Δt最后变得难以察觉地小

耶鲁公开课 - 基础物理课程节选