Her first plane had two sets of wings,a bi-plane.

VOA: special.2010.05.26

Now in the case of The Framingham Study they did bi-annual assessments, every two years brought people into the lab and got very careful measures on them, so a lot of what we initially knew about diet and health, smoking and health, and other things came from The Framingham Heart Study.

弗明汉研究每两年做一次评估,每两年在实验室里对研究对象,进行十分仔细的检测,我们对饮食与健康,吸烟与健康以及其他的了解,最初都来自于弗明汉心脏研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And a bit, B-I-T, just a shorthand for binary digit, 2 so a digit of zero over a one, bi means two, you only have two digits.

比特，B-I-T，是binary，digit的简写，从0到1的数字，而bi表示，所以你就只有两个数字。

哈佛公开课 - 计算机科学课程节选

Just last week, Mr.Obama praised the bi-partisan efforts of two Senators who put forward an outlined framework for immigration reform legislation.

VOA: standard.2010.03.21