But vaccines, and particularly in the last hundred years, vaccines have been one of the most important elements in our progress.

但是疫苗,尤其是在近一百年来,疫苗已经成为,感染性疾病防治进程中最重要的一环

耶鲁公开课 - 生物医学工程探索课程节选

I want to get somebody who's near a mike.

找个离话筒比较近的来回答下

耶鲁公开课 - 博弈论课程节选

And the answer has to do with ratios and string sizes and lengths of pipe and things like that, but generally speaking, pitches that are right next to each other--very close to each other--are dissonant.

答案和比率以及弦乐器的尺寸和管乐器的长度等有关，但是总的说来，音调是相关联的，非常近。

耶鲁公开课 - 聆听音乐课程节选