"We are making good progress and I am very hopeful that we will be able to get past that issue and move ahead to expand defense cooperation between us,".

VOA: standard.2009.06.11

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

"If we get to the summer of 2011 and people do not feel that we have made real progress, then I do not think there is an appetite here - or an appetite in the U.S.- to say, 'Well let us have another go and another go.'

VOA: standard.2010.08.04