The World Health Organization estimates about two million people die prematurely every year due to air pollution, more than half in developing countries.

VOA: standard.2009.03.23

If you multiply entry 23, which is 13.6 electron volts I will show you what the electron volt is in a few minutes. We will just put it up here prematurely. But that is given in your chart.

如果乘上第23个常量，代表13。6电子伏,接下来我就会向你们说明什么是电子伏,我们先提前把它提出来,但那只是放在你们的图表中。

麻省理工公开课 - 固态化学导论课程节选

This friendly and even dignified face has prematurely white hair.

这张友好甚至高贵的脸过早的有了白发。

耶鲁公开课 - 现代诗歌课程节选