Model Rockets
美音、自然拼读、分级阅读与词汇复习
Table of Contents Liftoff!
内容列表 升起!
4 The History of Rockets.
4"火箭军史".
5 Parts of a Model Rocket.
5个火箭模型部件。
6 At the Launchpad.
页:1 在发射板。
10 Clubs and Competitions.
10个俱乐部和比赛.
12 Glossary.
12 词汇表。
16 Liftoff!
16号升空!
Three.
三个
two.
两个
one.
一个
liftoff!
起飞!
A model rocket shoots into the sky.
型号火箭射入天空.
The rocket can fly up to 1,500 feet (457 m) high!
火箭能飞至1500英尺(457米)高地!
Watching these small rockets fly can be fun and exciting.
观看这些小型火箭飞行可以很有趣和激动人心.
Model rockets aren’t just for fun, though.
但型号火箭并不只是好玩。
They also teach us about science and space.
他们还教我们科学与空间。
The History of Rockets People in China invented rockets about eight hundred years ago.
中国"火箭人史"约800年前发明了"火箭".
They filled tubes with gunpowder and shot them at their enemies.
他们用火药给管子装上火药,并朝他们的敌人开枪.
Later, scientists built rockets that could go into space.
后来,科学家制造出可以进入太空的火箭.
Starting in the 1950s, people began building model rockets for fun.
从20世纪50年代开始,人们开始为取乐而建造模型火箭.
Parts of a Model Rocket A model rocket kit comes with all the parts a rocket needs.
火箭模型部件 一个模型式火箭包带有火箭所需的所有部件.
Kids have been building and painting model rockets for decades.
几十年来,孩子们一直在建造和绘画火箭模型。
The pieces of a model rocket need to be carefully put together (top).
型号火箭的碎片需要小心地拼凑(上).
A finished rocket is ready to fly (bottom).
成品火箭可起跑(下方).
A model rocket’s body is a long tube made of cardboard or plastic.
型号火箭的身体是用纸板或塑料制成的长管.
The nose cone fits into the top of the tube.
鼻锥合入管顶.
The size and shape of a rocket’s body and nose cone can change how it flies.
火箭的身体和鼻锥的大小和形状可以改变其飞行方式.
Fins help the rocket fly straight.
芬斯帮助火箭直飞.
The engine burns fuel to push the rocket into the air.
发动机会燃烧燃料来将火箭推入空中.
A parachute helps the rocket fall safely back to Earth.
降落伞能帮助火箭安全地倒回地球.
Steps in a Model Rocket’s Flight 2 The engine pushes the rocket faster and higher.
火箭模型飞行的步骤 2,发动机推进火箭的速度快快快.
upward.
向上转
the parachute out.
降落伞出来。
rocket’s fall.
火箭坠落.
to Earth.
来到地球。
is replaced, the rocket can fly again.
被替换,火箭可以再次飞行。
rocket lifts off.
火箭起飞了
Nose cones and rocket bodies come in many shapes and sizes.
鼻锥和火箭体呈多形状和大小.
People like to make their rockets look great.
人们喜欢让火箭看起来很棒
Many people paint their rockets with different colors and designs.
许多人用不同的颜色和设计来描绘他们的火箭.
Every rocket is one of a kind!
每枚火箭都是一类的!
At the Launchpad The only place to launch a rocket is in an open space.
在发射板上 发射火箭的唯一地点是空地.
The launch area needs to be far away from people and buildings.
发射区需要远离人和建筑物.
A large field or a playground is a good spot.
大田地或操场是一个好地方.
First, set up the launchpad.
首先,设置出发板.
Place the rocket over the guide wire on the pad.
把火箭放在导线上
The guide wire keeps the rocket pointing straight up when it lifts off.
向导线使火箭升起后直指上.
Connect the launch controller to the rocket engine.
将发射控制器与火箭发动机相接.
Then step back and press the button on the controller to start the engine.
然后退后按控制器上的按钮来启动引擎.
Whoosh!
呜呼!
The rocket flies up and away.
火箭飞起而去.
A girl connects the wire that will allow the controller to start the rocket engine.
一个女孩将线接通,这样可以让控制器启动火箭发动机.
Painting a rocket is often the final step of building.
绘出火箭往往是建造的最后一步.
Clubs and Competitions People who fly model rockets often join model rocket clubs.
俱乐部和竞赛 驾驶模型火箭的人经常会加入模型火箭俱乐部.
Schools or hobby groups can have information about model rocket clubs.
学校或爱好团体可以拥有模型火箭俱乐部的信息.
A science center or museum might have a model rocket club, too.
科学中心或博物馆也可能有一个模型火箭俱乐部.
Staying Safe Model rockets are fun, but they can be dangerous.
留下安全模型火箭很有趣,但它们可能很危险.
Follow these rules to stay safe: • Use only safe materials and engines in your rocket.
遵守这些规则,以保持安全: • 在火箭中只使用安全的材料和发动机.
• Always launch your rocket outside in an open area.
• 支助 总是在空地上发射火箭
launch site.
发射场。
launch your rocket.
发射火箭
• Count down before you launch.
• 支助 发射前倒数
• Ask an adult for help if you have any questions.
• 支助 如果有问题,请向成年人求助。
A Cub Scout launches a model rocket in Boston.
一只小熊童子军在波士顿发射了一枚模型火箭.
Even in a large launch area, a rocket can get stuck in a tree as it floats back to the ground on its parachute.
即使在一个大的发射区,火箭在降落伞上漂回地上时也会被卡入一棵树.
If a rocket gets stuck in a tall tree or on a power line, it should be left there for safety reasons.
如果火箭被卡入高高的树上或电线上,出于安全考虑,应该留在那里.
Many people enter model rocket competitions.
许多人进入模型火箭比赛.
They set off rockets and see which one flies the highest and the fastest.
他们点起火箭 看看哪个飞得最快,哪个飞得最快
Model rocket competitions are held all over the world.
模范火箭比赛在世界各地举行.
In the United States, students between twelve and eighteen can enter the Team America Rocketry Challenge.
在美国,12到18岁的学生可以进入"Team America"火箭挑战赛.
Every spring, one hundred teams compete to become the best in the country.
每年春季,有100支球队竞相成为全国最佳球员.
The winners go on to compete against other teams from around the world.
获胜者继续与来自世界各地的其他球队出战.
A team from Michigan gets its rocket ready during a competition.
来自密歇根州的一队在比赛中准备了火箭.
One hundred teams competed in this rocketry challenge in Virginia.
百支球队在弗吉尼亚州参加这次火箭挑战赛.
Getting started with model rockets doesn’t have to take a lot of money.
开始使用型号火箭并不需要很多钱。
A basic kit can cost as little as $10 or $20.
基本包的费用可达10美元或20美元。
The rockets used in the Team America Rocketry Challenge carry eggs.
"美国火箭挑战队"中使用的火箭携带了鸡蛋.
If the egg breaks, the team loses!
如果蛋断了,球队就输了!
Model rockets are a fun way to learn about science.
模型火箭是一种学习科学的有趣方式.
Who knows how high a model rocket can take your imagination?
谁知道你的想象力有多高?
Glossary competitions rivalries between (n.)
(n) 术语竞争
businesses, teams, or individuals for something desired (p.
企业、团队或个人为了某种目的(p.
13) designs (n.)
13) 设计 (n.
the appearance or style of something built or made (p.
所建或制造的事物的外观或风格(p.
9) engine (n.)
9) 发动机 (n.
a machine, usually with moving parts, that uses power to create motion (p.
一个通常带有移动部件的机器,它使用能产生运动(p.
8) hobby (n.)
8)业余爱好 (n.
an activity done for fun and relaxation (p.
为取乐和放松而开展的活动(p.
12) model (n.)
12) 型号 (n.
a usually smaller version of an object made to look like the real thing (p.
一个通常较小的版本的物体被制作成像真实的东西(p.
4) parachute (n.)
4) 降落伞 (n.
a large canopy made of fabric that greatly slows the movement of someone or something through the air (p.
由织物所制成的大型树冠会大大地减缓某人或某物在空气中的移动(p.
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