we must work hard 我们一定要努力学习
We must work to 我们必须努力了
we must work harder 我们必须更加努力
We Must Work Together 我们必须大力合作
We must work toward the 我们必须努力了
We must work make money 一定要努力赚钱
We All Must Work 我们都必须工作
We must all work hard 就必须全力以赴
We must always work for 一手抓物质文明
We must work together, brothers!
我们必须携手工作,伙计们!
We must work together to use its power for better ends.
我们必须共同努力,利用它的力量达到更好的目的。
我们必须工作10个小时。
We know we must work with you to do that.
VOA: standard.2009.03.31
So, the total work that we can get out must be zero, out of the whole sum of them.
因此,我们可以从这两个热机,得到的总功,一定是零。
It makes sense, right, because you know we got less work out and delta u is the same right, so it must be that less heat got transferred.
这是显而易见的,因为输出的功更少,且Δu相等,所以需要的热量更少。
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