School is supposed to start in September. But,the agency says 3,700 schools may not be available for classes because they are being used to house 150,000 internally displaced people.

VOA: standard.2009.07.03

Humoral comes from the term humours and it used to be that we thought about disease as being caused by the balance of humours in our blood.

体液一词来源于体液学说,过去认为疾病的产生,与血中的体液平衡有关

耶鲁公开课 - 生物医学工程探索课程节选

What made things go so awry that people and food used to be more in sync in terms of health and well-being, although there were problems in some ways.

是什么让一切偏离正轨,尽管有些方面存在种种问题,过去人与食物的关系,就健康方面而言,要比现在更为和谐

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're used to thinking about sound being tranduced; being converted by acoustic waves into electrical signals that can be recognized by your iPods.

我们想想声音信号的转换过程,声音由声波转化为电子信号,你的iPod能够识别这种信号

耶鲁公开课 - 生物医学工程探索课程节选