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James Q. Wilson Changes Policing in America Welcome to This Is America with VOA Learning English. Today, we are talking about political and social scientist James Q. Wilson. Wilson was interested in a great many subjects. But he was best known for hi
Take a look out your window, put on your glasses if you wear them. 向窗外张望一下,有必要的话,戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,
Boss Quotes 老板的话 We are going to continue having these meetings, everyday, until I find out why no work is getting done. 这样的会议我们要每天开,一直开下去,直到我弄清楚为什么工作没有完成。 I didn't say it wa
This extra jostling pushes the atoms farther apart, causing the whole substance to slightly increase in size. If the substance cools off, its atoms stop pushing against each other so vigorously. This makes the substance shrink again. This connection
A long wait, on this Moment of Science. You might have heard the old adage that glass is a liquid, and if you go over to Europe and look at the stained glass windows in the cathedrals, you'll find them thicker on the bottom than the top because they
17 Into the Troposphere 第十七章 进入对流层 Thank goodness for the atmosphere. It keeps us warm. 谢天谢地,我们有了大气。它使我们有了个温暖的环境。 Without it, Earth would be a lifeless ball of ice with an average te