But then it snaps back like a rubber band.

却像橡皮筋一样 突然折了回去。

They need rubber bands. What else do they need?

他们需要橡皮筋， 他们还需要什么呢？

Think of a rubber band as magnetic field line.

把磁场线想象成橡皮筋。

From a distance, this rubber band looks like a dot.

从远处看，这个橡皮筋看起来像一个点。

Remember to put a rubber band round these books.

别忘了用一根橡皮筋扎在这些书上。

And we use rubber bands here to simulate surgical tissue.

我们在这里使用橡皮筋模拟手术组织。

Tina stretched the rubber band so hard that it broke quickly.

蒂娜很用力拉紧橡皮筋，结果它很快就断了。

In a previous video, I talked about using a rubber band.

在之前的一个视频里，我谈到了用橡皮筋。

The rubber bands hold the glasses on the sound board.

橡皮筋可以把玻璃杯固定在音频板上。

Now, this rubber band can vibrate in many different modes.

现在这条橡皮筋可以以多种不同的模式振动。

He holds the glasses in place with rubber bands, which keeps them from breaking.

他用橡皮筋把杯子固定在一定位置，防止杯子坠落。

We could snap a rubber band on our wrists every time we get sidetracked.

每当我们分心的时候，我们可以在手腕上贴个条。

Isn't that cool? A little rubber banding up when I run off the edge.

这是不是很酷？当我到达边缘时，会有弹回的效果。

That was one small rubber band, but a great leap for surgery.

那是一个小橡皮筋，但对于外科手术来说却是一次巨大的飞跃。

A rubber band so small that it looks like a dot.

橡皮筋小到看起来像一个点。

Do you remember those little rubber bands you could make jewellery and other stuff out of?

你还记得那些能做成首饰或其他小饰品的小橡皮筋吗？

Two of them were teaching each other how to make rubber band bracelets from those small tiny ponytail size rubber bands.

其中两个女儿正在互教对方如何用小马尾大小的橡皮筋做皮筋手链。

She gently placed a tight rubber band around my leg as a tear ran down her cheek.

当她轻轻地用一根很紧的橡皮带扎住了我的腿时，一滴泪水顺着她的脸颊流了下来。

I have had just very, very few glasses break in over 30 years because I use rubber bands.

在过去的三十多年中，我打碎的玻璃杯数量非常非常少，就是因为我用了这些橡皮筋。

But if I had a super microscope, I could see that that dot is actually a rubber band.

但是如果我有一台超级显微镜，我可以看到那个点实际上是一个橡皮筋。