We video clipped the class as Professor Low taught the NBA students and then converted them to CDs.

在Low教授上课时,我们录下整个上课过程,然后刻成光盘。

麻省理工公开课 - 媒体、教育、市场课程节选

who would be typically working class on a low income.

他们是典型低收入的工人阶级。

关于伦敦的全部 - SpeakingMax英语口语达人