Now, the polio vaccine that Salk produced was very effective, but it required a fairly large dose of the vaccine and it had to be injected into the arms of children.

索尔克生产的小儿麻痹症疫苗效果显著,但是,该疫苗的单支注射剂量非常大,而且必须通过小孩的手臂进行注射

耶鲁公开课 - 生物医学工程探索课程节选

Rather, what happened is you heard English and--but the capacity grew in your head and something a lot more similar to the development of arms or legs or a visual system.

相反,你听到了英语,你脑中的英语能力得到增长,这个和手臂,下肢,或是视觉系统的发育很相似

耶鲁公开课 - 心理学导论课程节选

In fact, certain areas of the skin would be impacted most, most dramatically, the face and the chest, the arms, but more distal point of the arms, like the palms of your hands.

事实上,皮肤某些区域将受到严重伤害,尤其触目惊心的是,在面部,胸部和手臂位置,很多都出现在手臂的末端,比如手掌上

耶鲁公开课 - 生物医学工程探索课程节选

Not only should one seek peace but we have an obligation, he says, to lay down our arms, to lay down our right to all things on the condition that others around us are prepared to do so as well.

我们不仅是应该寻求和平,还有义务来放下自己的武器，在周围的人准备同样作的情况之下,放弃我们对一切事物的权利。

耶鲁公开课 - 政治哲学导论课程节选