The study compared patients who took three hundred twenty-five milligrams of aspirin at least two times a week with those who did not use aspirin.

VOA: special.2009.09.01

*5=10 So five times two is ten.

于是我们得出。

麻省理工公开课 - 固态化学导论课程节选

*5=10 So five times two is ten.

于是我们得出。

麻省理工公开课 - 固态化学导论课程节选