You get a vaccine for chicken pox, it gets injected, and sometime later you're going to be protected against it.

当你拿到水痘疫苗,并注射入体内后,一段时间之后,你就可以免于感染

耶鲁公开课 - 生物医学工程探索课程节选

One, there's a growing amount of literature showing that Mediterranean--eating the Mediterranean Diet has protected against a number of diseases, but also there was a study on this that just came out on Friday, and I'd like to discuss the results of that particular study.

首先越来越多的文献指出,地中海式饮食可以预防多种疾病,另外上周五有一篇新发表的研究,我一会儿会讲讲这项研究的研究结果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You could buy a policy that protected you against your family not having the money to bury you if you died.

你可以买份保单,能使你避免,因家庭贫困而无钱供你死后下葬

耶鲁公开课 - 金融市场课程节选