单词：smoke technique
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Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li
Scientific American(二)月
If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning
2017年VOA慢速英语(六)月
吸烟危害身体健康，这三岁小孩都知道。但是，照样有无数前赴后继的勇士们在不停地加入着这个行列，并且，坚定不移而又顽强地在摧残着自己微弱身躯。中国拥有庞大的吸烟人口，世界上每四个烟民中就有一个是中国人；而与此同时，全球每年有3000万新增烟民，我国又占了其
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Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver
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By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla
VOA标准英语2008年（一月）
Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,
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