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For example,in parts of Chobe the large elephant population has actually harmed the environment.
VOA: special.2009.08.19
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With some degree of confidence, I'm working with a reliable spring and then I will get the mass of the elephant.
这时我就对弹簧有信心了,我用的是一个可靠的弹簧,我能测出大象的质量
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We want to know what is the mass of the elephant.
我们想要知道大象的质量
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One of the most popular of Barnum's animals was a huge elephant named Jumbo.
VOA: special.2009.01.11
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Do not think of a pink elephant for the next three seconds ? and I am sure no one thought of a pink elephant right?
在接下来的十秒钟里不要想粉色大象,我肯定没有人想一头粉色大象，是吗？
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A few meters away a huge elephant walks out of the green bushes.
VOA: special.2009.08.19
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I want to get some admin out of the way and I want to start by getting out of the way what is obviously the elephant in the room.
我们继续讲评分标准,不过我得先介绍一下,教室里的大家伙
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If you knew this was one kilogram, then the acceleration of the elephant, which will be some tiny number, maybe 100th of what this guy did; the mass of the elephant is then 100 kilograms.
如果已知这个物体的质量为 1 千克,那大象的加速度,会是一个比较小的数,可能是物体加速度的 1 / 100,大象的质量就是 100 千克
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For the next ten seconds, do not think of a pink elephant.
在接下来的十秒钟里不要想粉色大象。
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Then, I bring the elephant and I pull the spring by the same amount and I find the acceleration of the elephant and the denominator is obviously the mass of the elephant.
然后我再找来大象,用相同的力去拉弹簧,大象就具有了加速度,很明显,分母就是大象的质量
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I'm telling you, "What's the mass of the elephant?"
我要问你,"大象的质量是多少"
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But the acceleration it produces on the elephant and on the mass, are in an inverse ratio of their masses.
但这个力使大象和物体产生的加速度,与它们的质量成反比
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We did the comparison with the elephant or something; a is the second derivative of x and for this problem, when F is due to a spring, we know the force is that by studying the spring.
我们也已经把它与大象或其它东西作过比较,a 是 x 的二阶导数,在这个问题中,F 是由弹簧产生的,我们在讨论弹簧问题时已经知道了力的大小
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So for the next ten seconds, do not think of a pink elephant.
在接下来的十秒钟里，不要想粉色大象。
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