The Oregon-based sportswear giant has long sponsored world class distance runners from Kenya.

VOA: standard.2010.01.22

This is a calculus-based class and I expect everyone to know at least the rudiments of differential calculus.

这门课需要微积分的数学基础,我觉得每个人至少应该知道,一些微积分的基础知识

耶鲁公开课 - 基础物理课程节选

It's more of a, exam-based class. So, I actually had my exam yesterday, and I have one more later on.

这门课主要是以考试为主。事实上，我们昨天刚刚考了一次，不久后还要再考一次。

想进布朗的话 - SpeakingMax英语口语达人