Rainbows
美音、自然拼读、分级阅读与词汇复习
Table of Contents Tricks of Light.
(原始内容存档于2018-09-21). Cable of Course Tricks of Light.
4 Where and When Rainbows Appear.
4 彩虹出现时在哪里.
6 How Rainbows Form.
6"彩虹之形"("彩虹之形").
10 The Colors of the Rainbow.
10"彩虹相会".
13 Conclusion.
13 结论。
15 Glossary.
15 词汇。
16 Tricks of Light When the Sun comes out after a rain shower, run outside.
16道"光明之花" 太阳下起雨后跑出门外
You may spot a giant rainbow curving across the sky like a big painting.
你可能会发现巨型彩虹像一幅大画一样横穿天空
When sunlight splashes through a window, you might see a small rainbow up close.
阳光从一扇窗子上溅出时,你可能会看到一朵小彩虹靠近。
A rainbow appears near storm clouds.
彩虹出现于风暴云附近.
Rainbows are optical illusions.
彩虹是光学幻觉.
We can see them, but they are impossible to touch.
我们可以看到它们,但它们是无法触摸的。
We can’t walk around them or look at them from the side.
我们不能绕着他们走,
The rainbows we see outside seem to move away if we go toward them for a closer look.
外面的彩虹似乎会消失 如果我们走近它们
Rainbows are created by light shining through water or clear objects.
彩虹由光通过水或清晰的物体发光而产生.
In nature, rainbows usually appear where rain and sunlight meet.
在自然界中,彩虹通常出现在雨和阳光相会的地方.
Rainbows are beautiful tricks of light.
彩虹是光的美丽伎俩.
Science, though, has unlocked their mysteries.
科学解开了他们的秘密
Rainbows can be seen in a splash of water, but these rainbows usually don’t last long.
这些彩虹通常不会持续多久。
Where and When Rainbows Appear Notice the weather the next time you see a rainbow.
下次看到彩虹时,彩虹会发现天气
There will be rain or mist in front of you, and the Sun will be shining from behind you.
相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相相去相去相去相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相
The rainbow will appear in the rain or mist.
彩虹会出现在雨或雾中.
Water in the air and direct light are the two things needed to see a rainbow in nature.
空气中的水和直取光是看到天生有彩虹的两种需要.
A rainbow won’t appear if the sky is too cloudy.
如果天空过云,彩虹就不会出现。
Rainbows caused by sunlight always appear in the part of the sky that is directly opposite the Sun.
由阳光所引发的彩虹总是出现在正对太阳的天空部分.
The best time to see a rainbow is usually in the morning or late afternoon.
见到一朵彩虹的最佳时间一般是早上或下午很晚.
That’s when the Sun is in the best place to create one.
太阳是创造太阳的最佳地点。
If you’re lucky, you might see a double or even a triple rainbow.
如果你幸运的话,你可能会看到一双甚至三重彩虹。
For double rainbows, the colors of the outer rainbow are in the opposite order to the colors of the inner rainbow.
对于双彩虹来说,外彩虹的颜色与内彩虹的颜色顺序相反.
You can sometimes spot rainbows in the mist of a waterfall, too.
有时也会在瀑布的雾中发现彩虹.
A splashing fountain can create a small rainbow, and a sprinkler on a sunny day may put on a colorful show.
喷泉可以创造出一朵小彩虹,而阳光灿烂的日出会喷出一出彩色的相片。
Rainbows can even form under a bright moon.
彩虹甚至可以在明亮的月球下形成.
These special rainbows are called moonbows.
这些特殊的彩虹被称作"月弓".
Moonbows are dimmer and much less common than rainbows.
相较于彩虹,月弓是发光而常见的.
To a viewer, a rainbow looks like a curved arch, or half circle.
对于一个取景者来说,一朵彩虹看起来像一个弯曲的拱门,或者半圆.
However, a rainbow actually forms a full circle.
然而,一朵彩虹实际上形成了一整圆.
From the ground, most times we can only see a rainbow’s top half.
从地上看,大多数时候我们只能看到彩虹的上半身.
Sometimes, though, lucky airline pilots may see a rainbow’s complete circle from the sky.
但有时幸运的航空公司飞行员可能会从天而降看到彩虹的完整圆形.
Cameras were flown high above one of the world’s biggest waterfalls to capture a full-circle rainbow.
摄像头高高地飞过世界上最大的瀑布之一,捕捉出一整圈彩虹。
Rainbows in Myths and Tales • In Viking myths, a rainbow bridge linked Earth to the kingdom where Viking gods lived.
在"神话"和"故事"中的"彩虹"(Rainbows in Myths and Tales) • 在"维京神话"中,一通彩虹桥将地球与维京神所居住的王国相接.
rainbows.
彩虹相会.
archer’s bow to shoot lightning arrows.
弓箭手射出闪电箭头
How Rainbows Form René Descartes (re-NAY day-KART) was a French scientist.
彩虹如何形成René Descartes(Re-NAY day-KART)是一位法国科学家.
He was born over four hundred years ago.
生于四百多岁.
He was fascinated by rainbows and wanted to learn more about them.
他迷上了彩虹并想更多地了解他们.
He used sunlight and a big globe of water to do experiments.
他利用阳光和一大块地表水进行实验。
Descartes discovered that to see a rainbow, the viewer must be looking at the light from the right angle.
笛卡尔发现要看到一朵彩虹,取景者必须从正确的角度来观察光.
People study and build on many of Descartes’s ideas to this day.
人们研究并借鉴笛卡尔的许多想法直到今天.
To understand rainbows, it helps to understand how light travels.
要了解彩虹,它有助于了解光线是如何行走的.
Light moves at different speeds through different mediums.
光通过不同的介质以不同的速度移动.
Think of running on land.
考虑在陆地上跑.
Then imagine running in knee-deep water.
那就想象一下在膝盖深水中跑去
You move slower through water.
你从水里走得比较慢
In the same way, light moves faster through air than through water.
同样,光通过空气移动的速度也快于通过水.
This happens because water is denser, or thicker, than air.
这是因为水比空气更稠密或更厚.
When light enters water, it slows and bends away from its original path.
光入水后会缓慢而弯曲地远离原道.
Bending light is called refraction.
叮当光被称作折射.
This process makes objects, such as a pencil sitting in a glass of water, appear to bend.
这个过程使物体,比如坐在一玻璃水中的铅笔,显得会弯曲.
This pencil appears to bend where it enters the water.
这把铅笔好像弯了弯 它进入了水面
We can see rainbows in nature when direct light meets drops of rain.
当直接光线遇到雨滴时,我们可以看到自然界中的彩虹.
Sunlight refracts as it enters each drop.
日光反射器每滴一次
The light then reflects, or bounces, off the inside of each drop, like light off a mirror.
然后光线反射,或者反弹,从每滴的内出,像从镜子上取出光.
The light refracts again as it exits the drop.
光线再次反射 当它离开下降。
Light refracts and reflects in millions of water droplets in the sky at the same time.
轻反相并同时以上百万个水滴来反射.
This process makes all the colors of a rainbow.
这个过程使得彩虹的所有颜色.
q Sunlight refracts as it enters a drop.
q 日光反射进入一滴。
The light splits into colors.
光分入色相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相
w Light reflects off the back of the drop.
w 从投放后反射出光线。
e Light refracts again as it exits the drop.
页:1 轻度折射在它离开投放时再次出现.
The Colors of the Rainbow Sunlight contains all the colors of a rainbow.
彩虹曙光的颜色包含彩虹的所有颜色.
Through refraction, raindrops disperse, or split, the sunlight into these colors.
通过折射,雨滴将阳光分散或分裂成这些颜色。
Sunlight splits into colors in each drop of rain.
每滴雨中,阳光会分出颜色。
Each raindrop reflects colored light toward the viewer at a slightly different angle.
每个雨滴都以稍有不同的角度向观众反映有色光.
We see red light shining from the drops at the top of a rainbow.
我们从彩虹上方的倒地上看到红光。
Those drops are in the right position to shine the color red back at us.
这些滴子的位置是正确的,可以让我们的颜色红回.
In the same way, the only color we see shining from the bottom of a rainbow is violet.
同样,我们看到从彩虹下方闪出的唯一颜色是紫外线.
The Recipe for a Rainbow raindropssunlight From top to bottom, colors in a rainbow always appear in the same order.
彩虹雨滴阳光的道具 从上到下,彩虹中的颜色总是以相同的顺序出现.
However, the outside rainbow in a double rainbow breaks this rule.
然而,双彩虹中的外出彩虹却打破了这个规则.
The name ROY G.
这个名字叫Roy G.
BIV can help you remember the seven main colors of a rainbow: red, orange, yellow, green, blue, indigo, and violet.
BIV可以帮助您记住一朵彩虹的七种主要颜色:红,橙,黄,绿,蓝,印地克,和紫色.
Sometimes a rainbow’s colors blend together, but all seven colors can be seen clearly in bright rainbows.
有时彩虹的颜色会融合在一起,但所有7个颜色都可以从明亮的彩虹中清晰地看到.
Make Your Own Rainbow 1.
让你自己的彩虹一号。
Fill a clear glass about three-quarters full of water.
倒满了三分之四的水
Place the glass where sunlight can pass through it.
把玻璃放在阳光可以穿过的地方
a rainbow appears.
彩虹出现了
paper.
纸
How many can you see?
你能看见多少个?
What order are they in?
他们是什么顺序?
Conclusion Rainbows make most people pause in awe.
彩虹让大多数人感到敬畏
These colorful displays have inspired art and poetry throughout history.
这些多彩的展示激发了整个历史的艺术和诗歌.
They also appear in stories and fairy tales from all over the world.
它们也出现在世界各地的故事和童话中.
Science explains how these optical illusions happen.
科学解释了这些光学幻觉是如何发生的.
Water drops bend, split, and reflect light, which lets us see a rainbow’s many colors.
水滴会弯曲、分出并反射出光线,
Still, the surprising beauty of a rainbow is a magical sight to see.
然而,彩虹的出人意料的美景 却是神奇的景象
Tourists admire a rainbow at the bottom of a waterfall in Iceland.
游客欣赏冰岛瀑布下方的彩虹.