水中弯曲的铅笔（折射）

旁白 neutral

Here is a pencil

这是一支铅笔。

旁白 neutral

It is straight. It is not bent

它是直的，它不是弯的。

旁白 neutral

Here is a glass of water

这是一杯水。

旁白 neutral

I put the pencil in the water

我把铅笔放进水里。

旁白 neutral

The pencil seems bent where it goes into the water

铅笔在插入水面的地方看起来弯了。

旁白 neutral

The pencil is straight but it seems bent

铅笔是直的，但它看起来弯了。

旁白 neutral

It seems like this

它看起来像这样。

旁白 neutral

But it is like this

但它其实是这样。

旁白 neutral

It is straight, not bent

它是直的，不是弯的。

旁白 neutral

It seems bent, not straight

它看起来是弯的，不是直的。

旁白 neutral

Before I put the pencil in the water it seemed straight

在我把铅笔放进水里之前，它看起来是直的。

旁白 neutral

It was straight

它当时是直的。

旁白 neutral

After I put it in the water it seemed bent

在我把它放进水里之后，它看起来弯了。

旁白 neutral

It wasn't bent

它并没有弯。

旁白 neutral

When it is in the water it seems bent

当它在水里时，它看起来是弯的。

旁白 neutral

When it is out of the water we see that it is straight

当它在水外时，我们看到它是直的。

旁白 neutral

Why did it seem bent when it was in the water?

为什么它在水里时看起来是弯的？

旁白 neutral

This is a light

这是一盏灯。

旁白 neutral

A light sends out light

灯发出光。

旁白 neutral

The light which it sends out goes in straight lines

它发出的光沿直线传播。

旁白 neutral

Here is a bit of glass

这是一块玻璃。

旁白 neutral

A ray of light is going through the glass

一束光正穿过这块玻璃。

旁白 neutral

Where the light goes into the glass, it is bent

光进入玻璃的地方，它被弯折了。

旁白 neutral

It is bent again where it comes out of the glass into the air

在光从玻璃出来进入空气的地方，它又被弯折了一次。

旁白 neutral

Here is your eye

这是你的眼睛。

旁白 neutral

You are looking at the pencil in the glass of water

你正看着这杯水里的铅笔。

旁白 neutral

The light from the pencil is bent where it comes out of the water into the air

来自铅笔的光在从水里出来进入空气的地方被弯折了。

旁白 neutral

It is bent here

它在这里被弯折。

旁白 neutral

The pencil is not bent

铅笔并不弯。

旁白 neutral

But the light from it is bent

但来自它的光被弯折了。

旁白 neutral

The light comes from here

光实际从这里来。

旁白 neutral

But it seems to come from here

但它看起来是从这里来的。

旁白 neutral

The part of the pencil which is under the water seems to be where it is not

铅笔在水下的那部分，看起来在它并不在的地方。

旁白 neutral

Here is your eye

这是你的眼睛。

旁白 neutral

The light from the pencil is bent here

来自铅笔的光在这里被弯折。

旁白 neutral

It comes out of the water here

它从这里出水。

旁白 neutral

The point of the pencil seems to be here

铅笔的笔尖看起来在这里。

旁白 neutral

It is here

它其实在这里。

旁白 neutral

The light is bent where it comes out of the water

光在从水里出来的地方被弯折。