It is inconceivable the Greeks could have developed a civilization that they did without contact with these eastern civilizations and learned a great deal from them.

难以想象,希腊人可以在脱离与东方的联系,并未向东方学习的情况下,建立一个与其同样伟大的文明

耶鲁公开课 - 古希腊历史简介课程节选

If these are the conditions for contact, to what extent are they met in the university setting between, say blacks and whites, people from the American South versus people from the American North, people from other countries versus people from the United States?

如果大学环境里有这些接触的条件，有多少是属于促成因素的？,例如在黑人和白人之间，来自美国南方的人,和来自美国北方的人之间，外国的学生,和美国的学生之间？

耶鲁公开课 - 心理学导论课程节选

Right. So, he took fluid from a cowpox lesion on a cow, and he injected it into his children and his wife, reasoning that this would protect them from disease, even though they didn't have as much contact with cows as farmers did.

就是这样,他从奶牛身上的,天花瘢痕中取出液体,将之注入他的妻儿体内,认为这样可以保护他们不得天花,即使他们并不像农民一样时时与奶牛接触

耶鲁公开课 - 生物医学工程探索课程节选

Contact lens technology has changed dramatically from the time that I was born to the time that you were born, and the contact lenses you use today are much different than the ones that would have been used 30 years ago.

从我出生,到你们出生的时间段里,隐形眼镜技术发展的很快,你们现在使用的隐形眼镜,与三十年前使用的,已经有天壤之别

耶鲁公开课 - 生物医学工程探索课程节选