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慢速英语视频:Oil Prices Continue to Drop, but Production Stays High
2016-01-04
慢速英语视频:'A Few Tricks Up Her Sleeve'
2016-01-04
慢速英语视频:One School, Five Languages
2015-12-31
慢速英语视频:How to Catch a Liar
2015-12-31
慢速英语视频:Paris Agreement to Slow the Pace of Global Warming
2015-12-29
慢速英语视频:Lasers Used to Chill, Instead of Heat
2015-12-28
慢速英语视频:Are U.S. Students Taking Too Many Tests?
2015-12-28
慢速英语视频:IMF Adds China’s Yuan to Group of World’s Top Currencies
2015-12-25
慢速英语视频:Blacks, Latinos Score Lower on Tests in the U.S. than Whites and Asians
2015-12-24
慢速英语视频:Man's Life Saved When Tapeworm Removed from Brain
2015-12-24
慢速英语视频:Whisky Byproducts May Fuel Cars
2015-12-22
慢速英语视频:A New Device Could Stop Motion Sickness
2015-12-21
慢速英语视频:Holiday Displays in Washington, DC
2015-12-21
慢速英语视频:The Perils of Crowdfunding
2015-12-18
慢速英语视频:The U.S. Has ‘Open Doors’ for International Students
2015-12-17
慢速英语视频:Man Gets Historic Face Transplant
2015-12-16
慢速英语视频:New Scanner Will Look Inside the Human Body
2015-12-16
慢速英语视频:Self-Driving Cars Hitting the Road
2015-12-14
慢速英语视频:President Obama Statement on the Climate Agreement
2015-12-14
慢速英语视频:Southeast Asia Prepares for New Economic Community
2015-12-11
慢速英语视频:Are U.S. Students Taking Too Many Tests?
2015-12-11
慢速英语视频:Study Shows Why Heavy Drinkers Often Smoke
2015-12-09
慢速英语视频:Experts Say El Niño Could Be the Strongest on Record
2015-12-09
慢速英语视频:Study Links Video Game Use With Weaker School Performance
2015-12-07
慢速英语视频:Obamas Light the National Christmas Tree
2015-12-07
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