今天我们要学的词是breakthrough。 Breakthrough, 是突破的意思。最近,加拿大的一组科研人员发现了一种独特的基因,可以阻止癌细胞繁殖,发展成为肿瘤。They made a significant cancer breakthrough, 他们...
今天我们要学的词是breakthrough。 Breakthrough, 是突破的意思。最近,加拿大的一组科研人员发现了一种独特的基因,可以阻止癌细胞繁殖,发展成为肿瘤。They made a significant cancer breakthrough, 他们...
By Michael Bowman Washington 07 June 2007 Scientists in the United States say they have for the first time been able to create stem cells from the ordinary skin cells of mice, a breakthrough that could lead to new medical breakthroughs and eliminate...
By Roger Wilkison Beijing 19 December 2006 The chief U.S. negotiator at the six-party talks in Beijing that are aimed at persuading North Korea to abandon its nuclear weapons program says there were no breakthroughs after his first bilateral meeting...
By Lisa Schlein Geneva 01 July 2006 A ministerial summit at the World Trade Organization has failed to make a breakthrough in deadlocked global free trade negotiations. The so-called Doha Development Round, which is supposed to lift millions of peop...