Undigested phosphorus in their waste can pollute water supplies.

VOA: special.2010.02.02

Not a repeat of what's happening in the class; I don't want to hear what was in the readings, I don't want to hear what was in the lecture undigested.

而不是对课堂内容的重复,我不想看到阅读资料里的内容,我不想看到未经消化理解过的内容

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选