He threw it back again, putting a slight spin on the ball.
他把球略带旋转地又投掷了回去。
有了旋转的角动量。
它也可以这样自旋。
Let's do an example. Let's try to figure out if we have just a uniform disk how hard it is to spin it around its center.
还是看个例子吧，有一张均匀的唱盘，让它绕中心旋转有多难呢？
You can't put any more spin energy into it.
你不能加进更多的自旋能量。
OK.That is how hard it is to spin this disk.
这就是旋转这盘子的难度。
We decided to spin it about a point on a second point.
现在我们把它绕着另外一个点旋转。
I hold it in my hand, I spin it towards you...
我拿在手，它朝你们旋转。
Labels are used in so many different ways it can make your head spin.
标签有太多种不同的使用方法，可以使你变得头晕。
SPIN】The earth spins as it moves around the sun.
地球在绕着太阳公转时也自传。
政客称这个叫做杜撰。
However, if I give it a little spin, then it doesn't fall.
但是，我让它旋转起来，它就不会掉下去。
But now I'm going to spin it before I let it go.
现在我将旋转它在我放手之前。
I will get it — I give it a spin.
我会得到，我让它旋转。
Suppose now I give it a spin in this direction.
假设现在这个方向旋转。
If it botches this explanation, the rumour mills will continue to spin.
若未解释好，流言将会继续扩散。
There is so much potential for climbing here that it makes my head spin.
这里岩壁的可开发潜力令人震惊。
As I look at it, it starts to spin.
当我看它时，它开始旋转起来。
Spin out the thread so it floats in the air.
吐出蛛丝，让它飘浮在空中。
Thus, it becomes unnecessary to give the constitutive equation for the plastic spin.
这就使给出塑性旋率本构方程变得不必要了。
Take the plan, spin it sideways.
采取这项计划，它侧身旋转。
用气动扳手卸扣。
They love to spin a top on the ice and watch it rotating.
他们喜欢把一个陀螺转起来并看着它在冰上转个不停。
I can spin it more, so that the ball hooks.
我可以更强劲旋转，这样球会走出弧形。
Spin it out with the air spanner.
用气动扳手卸扣。
Spin it out with the air spanner.
用气动扳手卸扣。
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