Tom doesn't have a ping-pong ball.
汤姆没有一个乒乓球。
这是一个乒乓球。
For example badminton games volleyball games and ping-pong ball games.
例如羽毛球，排球和乒乓球。
Does he have a ping-pong ball?
他有一个乒乓球吗？
Does Tom have a ping-pong ball?
汤姆有一个乒乓球吗？
The ping-pong ball bounced off the table.
乒乓球弹出了桌外。
She have a ping-pong ball? No, she doesn't.
她有一个乒乓球吗？不，她没有。
You hit the ping-pong ball with this paddle.
你用这个球拍打乒乓球。
The boy plays ping-pong ball three times a week.
这个男孩一个星期打三次乒乓球。
He wanted to play basketball with a ping-pong ball!
他想用乒乓球来打篮球。
Felicia: Oh, you can't do that with a ping-pong ball!
菲利西亚：哦，你不能用乒乓球那麽做！
Felicia: Oh, you can't do that with a ping-pong ball!
菲利西亚：哦，你不能用乒乓球那么做！
I will first bounce the ping-pong ball off the bowling ball... the billiard ball.
我首先撞击乒乓球，使它碰保龄球。，不，碰台球。
Here we have not a bowling ball onto a ping-pong ball but we have a billiard ball.
我现在不让保龄球，去撞乒乓球，而是拿一个台球。
It is intuitive that if the billiard ball hits the ping-pong ball that it will continue.
需要凭借直觉的是，台球撞击了乒乓球，而它继续运动。
They chose as their leaders the ping-pong ball, baseball, basketball, and soccer ball.
他们选出乒乓球，棒球，篮球和足球。作为他们的领导者。
The economy is rough locally and nationally; everyone seems to be bounced around like a ping-pong ball.
经济困境弥漫地区和全国，每个人像乒乓球前后颠跳不定。
It's not going to be a backscatter event if your ping-pong ball hits the frame or these strings, or the top part.
打到原子核了就是背散射，如果打到框上。
Now, of course, it is way harder to see that the ping-pong ball gets twice the speed of the billiard ball, because we don't do...
当然，更难看出的是，乒乓获得了两倍的速度，是台球速度的二倍，因为我们并没有做。
Sean Astin and Elijah Wood spent most of their scenes acting to an orange ping-pong ball, which was turned into Gollum in post-production.
西恩·奥斯汀和伊利亚·伍德拍摄的大多数场景都和一个乒乓球打交道，后期合成时这个乒乓球被替换为咕噜。
But engineers are hoping that their pretesting—using compressed air to fire a ping-pong ball down the pipe, Gillies says—will prevent such a mishap.
但工程师们希望他们的预测试——使用压缩空气将乒乓球注入管道——也许可以避免此类事故， Giilies 认为。
Look at the billiard ball alone — - forget the ping-pong ball — and try to see that the speed of the billiard ball is practically unaffected by the collision.
我们只看台球-，完全忽略乒乓球-，来看看台球的速度，它实际未受碰撞影响。
Jamie is about the size of a flattened out ping-pong ball. (Or even smaller) She is very active once warmed up and may run all across our dinner table in less than 30 seconds!
杰米长得有一个压扁了的乒乓球那么大(甚至还小一点)。一把她调动起来，她很活跃，能在30秒钟之内从我们餐桌这头爬到那头！
The ping-pong ball comes back - almost with the same speed-- not quite, 1 because the ratio is not infinity to one 1 but it is 500 to one, and the billiard ball will do practically nothing.
乒乓球会弹回来,几乎保持原来速度-,并不完全相同，比例并非无限大比,但它是500比，台球实际没有任何改变。
I like playing basketball, soccer ball, volleyball, ping-pong and so on.
我喜欢打篮球、足球、排球、乒乓球等。
It will tell you, say that you have a very small solid, I don't know like a ping pong ball in your flow, it tells you how it is going to start rotating.
假定你有一个小固体，比如说，流速场中的乒乓球，它会告诉你，乒乓球是怎样开始旋转的。
If Earth was the size of a basketball, all of its water would fit into a ping pong ball.
如果地球是一个篮球大小，就可以所有的水可以注进一个乒乓球。
If Earth was the size of a basketball, all of its water would fit into a ping pong ball.
如果地球是一个篮球大小，就可以所有的水可以注进一个乒乓球。
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