The agreements announced by Clinton and Indian Foreign Minister S.M.Krishna aim to accelerate a growing partnership ignited by the two countries' landmark nuclear cooperation accord reached in 2005.
VOA: standard.2009.07.20
Mass of an object is how much it hates to accelerate in response to a force.
物体的质量,反映了物体在力的作用下加速的难易程度
You cannot have a spring pulled only at one side, because then it will then accelerate with infinite acceleration in that direction.
你不可能对弹簧只施加一边的拉力,因为那样的话弹簧就会以无穷大的加速度加速,就在这个方向上
"And I would say the same thing . They will give us a financial ability to accelerate the process, to bring on more jobs, to have capabilities brought in from additional partners."
VOA: standard.2009.09.02
The fact that when you go in a circle, you accelerate is what we're learning here, coming from the fact that velocity is a vector and its change can be due to change in the magnitude or change in direction.
而当你做圆周运动时你也在加速,这是我们在这里所学到的,原因就在于,速度是一个矢量,其变化可以通过改变模长,或者方向来实现
In a speech at Carnegie Mellon University, President Obama referred to the Gulf oil spill in making the case that it is time, as he put it, to "aggressively accelerate the nation's transition to a clean energy economy."
VOA: standard.2010.06.14
应用推荐