Widespread Water Found on Surface of Moon
(0/) 2009-09-29 20:04:13
【慢速英语】Findings Raise Hopes for Progress on AIDS Vaccine
(0/) 2009-09-29 19:58:14
(0/) 2009-09-28 19:57:40
【慢速英语】Vitamins: D and the Diet
(0/) 2009-09-26 10:09:27
【慢速英语】G20 Leaders Talk About Economy -- and Iran
(0/) 2009-09-25 20:35:50
(0/) 2009-09-24 20:11:18
【慢速英语】Obama Replaces Bush\'s Missile Defense Plan
(0/) 2009-09-21 19:57:21
【慢速英语视频】 The Life of a School Nurse
(0/) 2009-09-19 19:49:23
【慢速英语】Hit the Nail on the Head
(0/) 2009-09-19 19:28:28
【慢速英语】Deficits Found in Brain\'s Reward System in A.D.H.D. Patie
(0/) 2009-09-17 20:27:55
【慢速英语】How We Are Connecting With Social Networks
(0/) 2009-09-16 20:02:07
【慢速英语】As Clear as the Nose on Your Face
(0/) 2009-09-14 19:10:55
【慢速英语】Illegal Marketing of Drugs: Pfizer\'s Record Fine
(0/) 2009-09-10 20:24:54
【慢速英语】Facing America\'s High Dropout Rates
(1/) 2009-09-09 18:22:00
【慢速英语】Understanding Down Syndrome
(1/) 2009-09-08 21:08:09
【慢速英语】Marching to the Music: Songs From the American Labor Movem
(0/) 2009-09-08 20:59:36
(2/) 2009-09-05 21:50:16
【慢速英语】Going Digital: The Future of College Textbooks?
(0/) 2009-09-02 22:38:54
【慢速英语】Going Digital: California\'s Textbook Project
(0/) 2009-09-02 22:36:15
【慢速英语】Doctors Are Advised on Treating a Hoarse Voice
(3/) 2009-09-01 22:22:19
【慢速英语】More Expressions That Are Old and True
(0/) 2009-08-31 21:22:51
(0/) 2009-08-31 21:11:23
【慢速英语】Heart to Heart: Some Heartfelt Expressions
(0/) 2009-08-29 08:38:00
【慢速英语】Looking Back at the Life of Edward Kennedy
(0/) 2009-08-29 08:25:15
【慢速英语】Obama Nominates Bernanke for a Second Term
(0/) 2009-08-27 21:24:02
【慢速英语】Death Valley: A Beautiful but Dangerous Place
(2/) 2009-08-27 21:19:08
【慢速英语】Two Heads Are Better Than One
(0/) 2009-08-25 20:01:06
【慢速英语】Numbers: I, for One, Use These Expressions Often
(2/) 2009-08-25 19:57:40
【慢速英语】Researchers Link Gene to Need for Less Sleep
(0/) 2009-08-25 19:22:08
(0/) 2009-08-24 20:47:52
(0/) 2009-08-21 18:34:09
Nicknames: America\'s 50 States
(0/) 2009-08-19 20:47:32
【慢速英语】Proverbs: Ideas About How to Live
(3/) 2009-08-19 19:53:43
【慢速英语】Proverbs: Some Listeners\' Favorite Sayings
(1/) 2009-08-19 19:42:37
【慢速英语】New Concerns About The H1N1 Virus
(3/) 2009-08-18 20:21:23
(0/) 2009-08-16 11:29:34
(3/) 2009-08-15 14:59:00
【慢速英语】Americans\' Favorite Songs for Summer
(0/) 2009-08-15 14:35:24
【慢速英语】Empire State Building Goes Green
(0/) 2009-08-15 07:52:21
Proverbs: Famous Sayings About Love, War and Other Issues
(0/) 2008-12-28 19:05:55