预课英语点读

Unit 4 What makes things move?

单词点读

push
[pʊʃ]

中文
推

例句
A push is a force.
pull
[pʊl]

中文
拉

例句
A pull is a force too.
*heavy
[ˈhevi]

中文
重的

例句
Also, it is easier to move a light thing than a heavy thing.
*light
[laɪt]

中文
轻的

例句
Also, it is easier to move a light thing than a heavy thing.
*easy
[ˈiːzi]

中文
容易的

例句
It's easy for the man to throw the ball into the basket.
*difficult
[ˈdɪfɪkəlt]

中文
难的

例句
It's so heavy and it's very difficult for me to lift it up.
*win
[wɪn]

中文
获胜

例句
It is really difficult to win.
force
[fɔːs]

中文
力

例句
A force can make something move.
movement
[ˈmuːvmənt]

中文
移动

例句
A small force causes a small movement and a big force causes a big movement.
towards
[təˈwɔːdz]

中文
向；朝

例句
When we pull, it moves people or things towards us.
cause
[kɔːz]

中文
起因；引起

例句
A small force causes a small movement and a big force causes a big movement.
speed
[spiːd]

中文
速度

例句
A car is faster than a horse, a high-speed train is faster than a car, and a plane is the fastest of
tortoise
[ˈtɔːtəs]

中文
陆龟；龟

例句
Some things, like trains, move fast, and some things, like tortoises, move slowly.
yourself
[jɔːˈself]

中文
你自己

例句
Next time you see something moving, ask yourself,

句子点读

Explore

中文
Forces and movement

中文
力与移动
We see things moving every day.

中文
我们每天都能看见物体在移动。
We see people walking, birds flying and leaves falling.

中文
我们看见人们走路、鸟儿飞翔和树叶飘落。
What makes things move?

中文
什么让物体移动起来？
Forces

中文
力
A force can make something move.

中文
力可以使物体移动。
A push is a force.

中文
推力是一种力。
When we push, it moves people or things away from us.

中文
当我们推的时候，会使人或物体远离我们。
A pull is a force too.

中文
拉力也是一种力。
When we pull, it moves people or things towards us.

中文
当我们拉的时候，会使人或物体向我们移动。
Movement

中文
移动
A small force causes a small movement and a big force causes a big movement.

中文
小的力引起小的移动，大的力引起大的移动。
When we use a small force to throw a ball, it does not go far.

中文
当我们用小的力扔球时，它不会飞很远。
When we use a big force, it goes a long way.

中文
当我们用大的力时，它能飞得很远。
Also, it is easier to move a light thing than a heavy thing.

中文
而且，移动轻的物体比重的物体更容易。
Speed

中文
速度
Speed is how fast things move.

中文
速度就是物体移动有多快。
Some things, like trains, move fast, and some things, like tortoises, move slowly.

中文
有些物体，比如火车，移动得快，有些物体，比如乌龟，移动得慢。
A car is faster than a horse, a high-speed train is faster than a car, and a plane is the fastest of

中文
汽车比马快，高铁比汽车快，而飞机是所有（交通工具）中最快的。
A force can change the speed of things.

中文
力可以改变物体的速度。
When you push a door with a small force, it opens slowly.

中文
当你用小力推门时，门开得慢。
When you push it with a bigger force, it opens more quickly.

中文
当你用更大的力推它时，门开得更快。
Next time you see something moving, ask yourself,

中文
下次你看到某个东西在移动时，问问你自己，
"What force is moving it, a push or a pull? "

中文
"是什么力在移动它，一个推力还是一个拉力？"
"Is the force small or big?”

中文
"这个力是小的还是大的？”
Extend

中文
Two stubborn little goats

中文
两只倔强的小山羊
A long time ago, two brothers, Black Goat and Brown Goat, lived on East Mountain together.

中文
很久以前，两兄弟，黑山羊和棕山羊，一起住在东山上。
One day, they saw a small piece of the greenest grass.

中文
有一天，它们看见了一小片最绿的草。
Brown Goat said,

中文
棕山羊说,
“I'm older. I should eat the grass.”

中文
“我年纪更大。我应该吃这草。”
Black Goat said,

中文
黑山羊说,
“I'm smarter. I should eat it.”

中文
“我更聪明。我应该吃它。”
They pushed each other for a long time and got tired.

中文
它们互相推搡了很久，都累了。
Black Goat was angry and moved to West Mountain.

中文
黑山羊很生气，就搬到了西山。
Every day, Brown Goat crossed a small bridge to drink the coldest water on West Mountain.

中文
每天，棕山羊穿过一座小桥去喝西山上最冷的水。
Every day, Black Goat crossed the bridge to eat the greenest grass on East Mountain.

中文
每天，黑山羊穿过这座桥去吃东山上最绿的草。
One day, both goats were on the bridge at the same time.

中文
有一天，两只山羊同时都在桥上。
Brown Goat said,

中文
棕山羊说,
"Go back! I'm crossing first."

中文
"退回去！我先过。"
Black Goat said,

中文
黑山羊说,
"You go back!"

中文
“你退回去！”
They pushed each other with the same force.

中文
它们用相同的力气互相推挤。
They pushed until they both fell into the river below the bridge.

中文
它们一直推，直到都掉进桥下的河里。
The goats got out of the river and walked home.

中文
两只山羊从河里爬了出来，走回了家。
They were angry, tired and hungry.

中文
它们又生气、又累、又饿。
And that was the story of the two stubborn little goats.

中文
这就是两只倔强的小山羊的故事。