It was the work begun by Gifford Pinchot that makes this possible.
VOA: special.2009.11.16
There are many kinds of work. There's electrical work, take the motor, you plug it into the wall, electricity makes the fan go around, that's electrical work. There's magnetic work.
我们复习一下大一,学过的功的概念:,物体在力的作用下,运动了一段距离。
I would be grateful if you would wait until that point if at all you possibly can. It just makes the whole thing work a little easier and it prevents that drop in the pit of my stomach when I see half of the class leave.
我将感激不尽,这样会好一点,以免我看到半数人走掉时,心情会受到影响。
It's love that makes the boy climb, as it made the mower work, remember?
是爱让这个孩子爬上去,就像它让割草者工作一样,记得吗?
The fact that I'm enjoying myself makes it easier for me to work harder.
我很享受的事实,让我更容易努力工作。
It makes its readers work.
它需要读者去花精力。
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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