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VOA慢速英语2017 观察狗狗睡觉的收获

What We Can Learn By Watching Sleeping Dogs There is an English proverb that says, Let Sleeping Dogs Lie. It means to not bring up an old problem. 有个英语谚语是让沉睡的狗继续睡。意思是不要自找麻烦。 Researchers in Hungary h

发表于:2018-12-07 / 阅读(431) / 评论(0)

2017年VOA慢速英语(十二)月

SSS 2011-07-27

You, well not you, race through an intersection as the light turns red and then you notice the camera, they got you and a tickets on its way. Well researchers of quantified financial benefit of the cameras in one city turns out its for more than the

发表于:2018-12-24 / 阅读(340) / 评论(0)

Scientific American(七)月

60秒科学:Wind's Power Potential Quantified

Last month, President Obama pledged nearly half a billion dollars toward the development of solar and geothermal energies. But what about wind? A team of scientists estimates that wind turbines in the continental U.S. could produce 16 times more ele

发表于:2019-01-30 / 阅读(413) / 评论(0)

60秒科学

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学英语单词

a change is as good as a rest

accurate measuring instrument

at your mother's knee

autodecrement indicator

Avicennia officinalis

baba jan

bebinning character