if you've got a hill or valley and there's a cart on wheels it's going to go down to the bottom.
如果我们有一座山或者山谷,并且,有一个有轮子的车,这辆车会自动滑到底部。
Clearly, if I did nothing more, but I took every car, doubled its fuel economy, its emissions would go to 50% of what they are now, no other changes being made.
显然,如果我什么也不做,但是我把没量车的汽油价加倍,汽车废气排放量就会是现在的一半了,别的不会有什么改变。
The one thing you want to keep in mind though is that Hertz does not actually mean inverse seconds, it means cycles per second. So, if you're talking about a car going so many meters per second, you can't say it's going meter Hertz, you have to say meters per second.
写成5每秒,或5赫兹,你们要记住的是赫兹,并不等于秒的倒数,它是每秒的循环数,如果你们说,一辆车一秒可以走多少米,你不能说它走了米赫兹。
One day I am stuck. Who will help Tony the tow truck?
如果有一天我动不了了,谁来帮助托运车托尼?
And, if you skip over to 215, this image comes back of this mother: "All cars had disappeared except his station wagon. His pregnant young wife was now getting into it with her baby and the other more or less canceled child."
还有,如果你翻到215页,这个妈妈的形象会再次出现:,“所有的车都不见了,只剩下他的小汽车,他,他怀孕的妻子正抱着婴儿上车,那个惹是生非的小男孩,也上去了“
That car stage or that car slice if we want to talk about that way it has only been around for however long months, years, a year.
那辆车的阶段或者部分,如果我们非要分析的话,只能持续很短时间,几个月,几年,或者一年。
If we have a small engine, and we have to pull the car up a steep hill,a difficult hill, the engine is more likely to collapse,to blow up.
如果我们用的引擎很小,想把车开上一个陡峭崎岖的山坡,引擎很容易损毁,爆炸。
For example, if a car is going on a racetrack and you're seeing it from the top, if the speedometer says 60 miles per hour, you might say it's not accelerating.
例如,如果一辆车在跑道上行驶,你从上面俯视它,如果速率表显示的是60英里每小时,你也许会说它没有在加速
Because, as I said, you can only drive one car at a time and if you've got ten of them in the garage, then it doesn't really do you much good.
正如我说的,你只能一次开一辆车,但如果你的车库里有十辆,它实际上并不会给你带来更多的好处
You can only drive one car at a time and if you have five cars-- well I mean that's kind of-- all right you could have five cars and you could drive a different one everyday, but it's starting to seem a little ridiculous, right?
你只能一次开一辆车,而且如果你有五辆车,我的意思是那种...,好吧,你能有五辆车,而且你可以每天开不同的车,但是这有点荒谬,不是吗
And the answer, not that there aren't puzzles about it, but the answer is roughly, "It's the very same car if it's the very same hunk of metal and plastic and wires."
而答案,虽然还存在疑问,但答案大致上是,如果是同一堆铁,塑料,电线,就是同一辆车“
应用推荐