他们有时候会因为不能移动而感染传染病。

They sometimes get these serious infections because they can’t move.

youdao

新的研究表明快乐不只是个体现象；我们可以像感染传染病一样从朋友和家庭成员那里感染快乐。

New research shows that happiness isn't just an individual phenomenon; we can catch happiness from friends and family members like an emotional virus.

youdao

因此，不管是否会造成肥胖，健康饮食，经常锻炼，减压以保持健康，减少感染传染性疾病的可能，依然非常重要。

It is still important to eat healthy, exercise often, and manage stress to stay healthy and decrease the spread of all infectious diseases, whether or not they cause obesity.

youdao

And so you can see the pneumonia, tuberculosis, the communicable diseases, infectious diseases, for the most part, are taking the most lives at that point.

你可以看到肺炎,肺结核,传染病,感染性疾病,是夺走大多数人生命的主要原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So in a town that's the size of new Haven with a population of let's say 100,000 people in just the immediate New Haven area, there might be 20 of these instances of very severe form of polio per year, 20 crippled children would result.

在一个像纽黑文这么大的城市里,大约有十万人口,生活在纽黑文地区的人当中,每年可能就会有二十人,感染到这种急性传染病,可能会导致二十个孩子残疾

耶鲁公开课 - 生物医学工程探索课程节选