According to the journal Biological Reviews,most dinosaurs did not take the time to chew their food.

VOA: special.2010.06.04

They use food frequency questionnaires, which I mentioned before, surveys, and then biological markers like blood tests of certain things to see how diet is related to health.

研究员还运用食物频率调查表,我之前曾提到过,各类调查以及生物标志物,像是血液检测等手段,来研究饮食与健康之间的关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We'll talk about where it comes from, and the biological, economic, and political reasons that drive food to be certain things, and we'll talk about what it does to us and for us.

我们会谈到它的来源,生物学,经济学方面和政治方面的因素,是如何影响食品的,我们还会谈到它对我们的影响和帮助

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We sense food coming in, that sets into gear a series of metabolic and biological processes that are very interesting, and then of course once the food gets in the body it does lots of interesting things-- some good things and some bad things.

美食当前,食指大动,身体从而启动一系列新陈代谢过程,和有趣的生物过程,而且,当食物进入身体,它就产生许多有趣的效应,这些效应有好有坏

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now these parts of the world are shrinking in the number; but let's say you lived in Ethiopia or Somalia, or places where food really is scarce way too much of the time, then having this particular biological drive, having a brain that wants you to seek out these foods would be highly adaptive.

现在这些地区的数量正在减少,但如果你生活在埃塞俄比亚或是索马里,或是当前食品十分短缺的地区,那么拥有这种生物驱动力,拥有不断驱使你去寻找食物的大脑,会让你有极强的适应能力

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选