You pull out your clicker, you do it, and then we'll get a nice little pie chart or a bar chart on the computer of your responses.

你们就拿出表决器,按一下,我们就能在电脑上得到一张饼状统计图,或者柱状统计图,代表你们的答案

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It dropped dramatically in the period from 1954-- this is these filled black bars refer to this axis, polio cases per 100,000 population dropped down to only three or four cases by 1956.

患病率在一九五四年后的,一段时间里急剧下降,该坐标轴上的这些黑色柱形图表明,到一九五六年,小儿麻痹症的发病率,已经降低至每十万人中仅三到四人发病

耶鲁公开课 - 生物医学工程探索课程节选