To be in a state of purity simply means that one is qualified to contact the sacred: to enter the sacred precincts, to handle sacred objects, and so on.

处于纯洁的状态仅仅意味着有资格,去接触神圣，比如说进入圣地的周边地区，打理神圣的物件，等等。

耶鲁公开课 - 旧约导论课程节选

They would get lesions on their hands, for example, the part of their body that was really in close contact with the cows.

比如,在与奶牛亲密接触的身体部位,也就是手上 也许会出斑

耶鲁公开课 - 生物医学工程探索课程节选

Well in the class session that I'll be giving I'll be talking More about the others. I hope to stimulate the Discussion. If you want more information on the slide As my contact information and you can contact me.

在讨论课阶段,我还有相关的其他内容要讲,我希望能激发讨论,如果你们想要幻灯片上的更多内容,可以根据我的联系方式联系我。

麻省理工公开课 - 媒体、教育、市场课程节选

That's a contact on the body.

都和物体有接触

耶鲁公开课 - 基础物理课程节选

First I go over the physical posture you should have because when you're sitting like we usually sit on the round cushion or the floor, re free of contact with people usually both your knees and your butt are for the kneeling.

首先理顺应有的身体姿势,因为打坐时,像我们常会坐在圆坐垫,或地板上，你要确定自己身旁不要有人，you，make，sure，you‘,通常两膝和臀部都要注意,都要碰到地面。

普林斯顿公开课 - 人性课程节选

Your problem is to only look at the forces of contact on you, and that is just this f.

你只需要注意那些直接作用在这个物体上的力,那就只有 f 了

耶鲁公开课 - 基础物理课程节选