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51. group n. 组,群 52. first a. ad. n. 第一,首先 53. field n. 字段,域,栏,场 54. procedure n. 过程,程序,工序 55. print v. 打印,印刷 56. return v. 返回,回送 57
By Melinda Smith Washington 04 September 2007 Microchip device showninserted in arm One of the greatest fears for families of Alzheimer's patients is that an older relative might wander off, and then forgets how to get home again. Could a microchip i
AS IT IS 2016-08-26 NASA Finds Lost Spacecraft NASA发现丢失的宇宙飞船 The American space agency, NASA says it has again made contact with a spacecraft studying the sun and space weather. NASA said it lost contact with the Solar Terrestrial R
BEIJING, Sept. 6 (Xinhuanet) -- San Francisco police said they had helped Apple search for a lost item, following reports saying that a prototype of Apple's yet-to-be-released iPhone 5 had gone missing in July. Last week, technology news website CNET