He noted that poppy cultivation decreased 19 percent nationwide last year and is on track to drop even further in 2009.

VOA: standard.2009.03.27

In the early 1850s, Angstrom, up at the University of Uppsala in Sweden was conducting experiments on atomic hydrogen.

在19世纪50年代的头几年，阿姆斯特朗，那时还在瑞典的乌普萨拉大学里,做了一个有关氢原子的实验。

麻省理工公开课 - 固态化学导论课程节选

In the 1880s --a view arose that Los Angeles was just the most wonderful place on Earth.

在19世纪80年代出现了一个观点,那就是洛杉矶是地球上最完美的地方

耶鲁公开课 - 金融市场课程节选

Two massive truck bombs in Baghdad,on August 19, killed 95 people and wounded close to 600 others.

VOA: standard.2009.08.29

My bid concern is that you have this huge group of people on the planet 2 young people between ages of say 12 and 19 or 21 or 22 all asking the question: Who am I?

我最关注的是,我们在世界上拥有如此巨大的一个群体,即年龄介于12到19岁，或者21，22岁的青年人2,都在问一个问题：,我是谁？

普林斯顿公开课 - 人性课程节选

A government report has said work on 14 of the 19 sports venues, that are to be built for the Games, is running late.

VOA: standard.2009.09.14

So if we think about the work function for zinc, and the work function for zinc is 6.9 times 10 to the -19 joules, do we expect that when we shine our UV light on the zinc, we'll be able to eject electrons?

如果我们考虑锌的功函数,它是6，9乘以10的-19次方焦耳，我们是否可以预测当,用紫外灯照射锌时，我们可以射出电子呢？

麻省理工公开课 - 化学原理课程节选

This went out at the end of the 19th century, and so on.

这在19世纪末期后就结束了。

麻省理工公开课 - 固态化学导论课程节选

There was a huge rally in treasury bonds on October 19, 1987.

987年10月19日,长期国债的价格大幅上升

耶鲁公开课 - 金融市场课程节选