Many months would pass before the Union could build up an effective naval force.
VOA: special.2009.09.10
A typical problem that you may have done in your first pass at Newton's law, someone tells you a force of 36 Newtons is acting on a mass of whatever, 4 kilograms; what's the acceleration?
在你们第一次接触牛顿定律时,可能见过这么一道典型题目,告诉你,一个 36 牛的力,作用在一个物体上,4 千克吧,问加速度是多少
Other senators are joining Schumer in an effort to pass legislation to force the Obama administration to get tough with China on the currency issue.
VOA: standard.2010.03.23
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