Dr.Martin says,by monitoring the progress of multiple patients from infancy through adulthood, doctors can gather crucial evidence about the effectiveness of the procedures."

VOA: standard.2010.01.01

They get arrested in the G1 phase, for example, and they never progress through to the S phase where they synthesize DNA.

就比如说它们在G1期停滞不前,永远不能到达,合成DNA的S期

耶鲁公开课 - 生物医学工程探索课程节选

"The biggest area of progress is giving Afghans the ability to actually change their own future, through education, through training of teachers, through economic opportunities such as the rehabilitation of the Dahla Dam, restoring agriculture."

VOA: standard.2010.05.26

Despite disagreements over the scope of further fiscal-stimulus programs with some of his European colleagues, Mr.Brown said great progress has been made through joint action during the past few months and he said the G20 summit must build on that progress.

VOA: standard.2009.03.29

Don't put yourself in a position where you become scapegoats for other agendas,'" He said such restraint will allow society to see through what he called the attempt by right-wing groups to reverse the progress made since the end of apartheid.

VOA: standard.2010.04.08