This leads to an increase in diseases like diarrhea, the second leading cause of death in children under five.

VOA: special.2010.04.05

And also under the Legion of Honor, the second hub is the Asian art museum

除了“荣誉的殿堂”以外，第二个中心是亚洲艺术博物馆，

关于旧金山的博物馆 - SpeakingMax英语口语达人

The second doll takes the ball out of the cupboard and puts it under the bed.

第二个洋娃娃将球从橱柜中取出,放在了床下面

耶鲁公开课 - 心理学导论课程节选

The lead up to Afghanistan's second round of voting is beginning much like the first round under the Taliban's threats of violence.

VOA: standard.2009.10.24

Second he tells us the political scientist must consider what kind of regime will be best under less than optimal circumstances.

其次，他告诉我们政治科学家,必需考虑何种政体在,较不理想的情势下会仍会是最佳的一种；

耶鲁公开课 - 政治哲学导论课程节选

And runners proved the doctors and scientists-- proved that they were right and ran the mile in two seconds and 4 minutes, one second, but no runner could run the mile in under 4 minutes, ever since the mile was actually timed-- when they started to time runs.

跑手们证明了医生和科学家…,证明了他们是对的,一英里跑四分钟两秒，四分钟一秒，但没有跑手能少于四分钟，从一英里跑计时以来-,当人们开始计时跑时。

哈佛公开课 - 幸福课课程节选

Let's take a system. Under constant pressure T1 V1, going to a second -- this is the system, so let me write the system here.

我们建立一个系统1,在恒定的压强T1，V1，下，变成了另一个系统，-这个初始的系统让我把它写在这。

麻省理工公开课 - 热力学与动力学课程节选