L4-U1-P2-1 Listening : A Trip to Yosemite Park 1 优胜美地公园之旅 1

Today Christina and her friend are enjoying themselves.

今天，克里斯蒂娜和她的朋友玩得很开心。

This morning they got up very early and drove out of San Francisco.

今天早上，他们很早就起床了，然后驾车离开了旧金山。

They crossed the Bay Bridge before the early morning commute and drove south.

他们在早高峰通勤之前穿过了海湾大桥，然后向南行驶。

Because it was so early, there were almost no cars.

因为时间很早，路上几乎没有车辆。

How heavy was the traffic? - Because it was so early, there were almost no cars.

交通拥堵情况如何？——因为时间很早，路上几乎没有车辆。

Why was there much traffic? -It was so early.

为什么交通不拥堵呢？——因为时间很早。

After driving for an hour and a half, they stopped and had breakfast.

行驶了一个半小时后，他们停下来吃早餐。

They ordered pancakes and coffee.

他们点了煎饼和咖啡。

They also had some fresh fruits.

他们还吃了一些新鲜水果。

When they finished eating, it was 7 o’clock.

当他们吃完的时候，已经7点了。

Then they got back into the car and drove south.

然后他们回到车里，继续向南行驶。

Christina wanted to listen to music, so they turned on the radio.

克里斯蒂娜想听音乐，所以他们打开了收音机。

An hour later they stopped for gas.

一个小时后，他们停下来加油。

They noticed that there was also a charging station for electric cars.

他们注意到那里还有一个电动汽车充电站。

What time was it when they finished eating? -they finished eating at 7 o’clock.

他们吃完的时候是几点？——他们7点吃完的。

They noticed that there was also a charging station for electric cars.

他们注意到那里还有一个电动汽车充电站。

Because it was so early, there were almost no cars.

因为时间很早，路上几乎没有车辆。

An hour later they stopped for gas.

一个小时后，他们停下来加油。

It’s now 1:15 and they are in Yosemite Park.

现在是1点15分，他们在约塞米蒂国家公园里。

They have been there for two hours, since 11:15.

自从11点15分以来，他们已经在那里待了两个小时了。

They are looking at Yosemite falls, which is the highest waterfall in the park.

他们正在观赏约塞米蒂瀑布，这是公园里最高的瀑布。

The water drops a total of 740 meters from the top of the upper fall to the base of the lower fall.

从上部瀑布的顶端到下部瀑布的底部，水流总共下落了740米。

They are looking at Yosemite falls,which is the highest waterfall in the park.

他们正在观赏约塞米蒂瀑布，这是公园里最高的瀑布。

L4-U1-P2-2 Listening : A Trip to Yosemite Park 2 优胜美地公园之旅 2

In another 15 minutes they plan to eat lunch at a magnificent old hotel in the park.

再过15分钟，他们计划在公园里一家豪华的老酒店吃午餐。

It was built in 1927 and has a great view.

这家酒店建于1927年，风景很美。

They wanted to stay there, but they couldn’t get reservations.

他们想住在那里，但没能预订到房间。

To get a room at that hotel, you usually need to make reservations several months in advance.

要在那家酒店订到房间，通常需要提前几个月预订。

They wanted to stay there, but they couldn’t get reservations.

他们想住在那里，但没能预订到房间。

They plan to stay in the park until around 4 o’clock.

他们计划在公园里待到大约4点钟。

By then they will have been in the park for nearly 5 hours.

到那时，他们将已经在公园里待了将近5个小时了。

Then they’ll get back into the car and drive back to San Francisco.

然后他们会回到车里，开车返回旧金山。

They plan to eat dinner somewhere along the way.

他们计划在返程途中的某个地方吃晚餐。

If the traffic isn’t too bad, they should be back in San Francisco by 10 o’clock.

如果交通状况不太糟糕，他们应该能在10点钟回到旧金山。

How long would would they have been in the park if they leave as scheduled?- For nearly 5 hours.

如果他们按计划离开，他们将在公园里待多久呢？——将近5个小时。

Early tomorrow morning they are going to cross the Golden Gate Bridge and go north along the coast.

明天一大早，他们打算穿过金门大桥，然后沿着海岸向北走。

From some places, you can look out on the ocean and see whales and other sea life.

从一些地方，你可以眺望大海，看到鲸鱼和其他海洋生物。

Christina has never seen a whale before, so she’s looking forward to it.

克里斯蒂娜以前从未见过鲸鱼，所以她很期待。

And tomorrow night they have something special planned.

而且明晚他们有特别的安排。

They are going to watch a baseball game.

他们打算去看一场棒球比赛。

Christina has never seen a baseball game, but she has heard that it is very popular in the US.

克里斯蒂娜从未看过棒球比赛，但她听说棒球在美国非常受欢迎。

And the San Francisco baseball team is one of the best.

而且旧金山棒球队是最优秀的球队之一。

Christina has never seen a whale before, so she’s looking forward to it.

克里斯蒂娜以前从未见过鲸鱼，所以她很期待。

They plan to stay in the park until around 4 o’clock.

他们计划在公园里待到大约4点钟。

L4-U1-P2-3 Vocabulary : Science 科学

A force is a push or a pull on an object.

力是对物体的推或拉。

A force changes the motion of a moving object.

力会改变运动物体的运动状态。

A force can be strong or weak, and it always has a direction.

力可以是强的或弱的，并且总是有方向的。

The Earth is a planet that goes around the sun in a circular orbit.

地球是一颗围绕太阳做圆周运动的行星。

The speed of its motion doesn't change, but the direction of its motion does.

它的运动速度不变，但运动方向会改变。

The Earth has a layer of gas above its surface, which helps to support life.

地球表面有一层气体，这层气体有助于维持生命。

Atoms are the building blocks of matter.

原子是物质的基本组成单位。

At the center of an atom is its nucleus, which has a positive electric charge.

原子的中心是原子核，它带有正电荷。

Outside the nucleus are electrons, which have a negative charge.

原子核外是电子，它们带有负电荷。

Asteroids and comets are objects that orbit our sun but smaller are than planets.

小行星和彗星是围绕太阳运动但比行星小的天体。

Asteroids that pass close to the Earth are called near-earth objects.

接近地球的小行星被称为近地天体。

The layer of gases just above Earth's surface is our atmosphere.

地球表面之上的气体层就是我们的大气层。

The atmosphere is made up of gases, such as oxygen and nitrogen.

大气层由气体组成，例如氧气和氮气。

Without an atmosphere, there would be no life on Earth.

如果没有大气层，地球上就不会有生命。

A force changes the motion of a moving object.

力会改变运动物体的运动状态。

At the center of an atom is its nucleus, which has a positive electric charge.

原子的中心是原子核，它带有正电荷。

Asteroids that pass close to the Earth are called near-earth objects.

接近地球的小行星被称为近地天体。

A force is a push or a pull on an object.

力是对物体的推或拉。

The atmosphere is made up of gases, such as oxygen and nitrogen.

大气层由气体组成，例如氧气和氮气。

L4-U1-P2-4 Vocabulary : Geometry几何

The two lines on the left intersect each other at a right angle, which is 90 degrees.

左边的两条线相互垂直，夹角为90度。

The two lines on the right are parallel, which means they never cross.

右边的两条线是平行的，这意味着它们永远不会相交。

The adjacent sides of a rectangle are perpendicular, which means they meet at a 90-degree angle.

矩形的相邻两边是垂直的，这意味着它们相交于90度角。

The opposite sides of a rectangle are equal and parallel, which means they never cross.

矩形的对边是相等且平行的，这意味着它们永远不会相交。

The area of a rectangle is the length times the width.

矩形的面积是长乘以宽。

A circle is a two-dimensional figure with a radius and circumference, which is the distance around the circle.

圆是一个二维图形，具有半径和周长，周长是圆的边缘的长度。

The area of a circle is pi r squared, where r is the radius and pi is the ratio of a circle's circumference to its diameter.

圆的面积是πr²，其中r是半径，π是圆的周长与直径的比值。

A sphere is a three-dimensional figure with a radius and a volume, which is 4/3 pi r cubed.

球体是一个三维图形，具有半径和体积，体积是(4/3)πr³。

All points on the surface of a sphere are equidistant from its center.

球体表面上的所有点都与其中心等距。

A right triangle is a two-dimensional figure with 3 sides, two of which are perpendicular.

直角三角形是一个二维图形，有3条边，其中两条边互相垂直。

To find its area, multiply the lengths of the two perpendicular sides, a and b, and divide by two. A = 1/2 ab.

要计算它的面积，将两条垂直边的长度a和b相乘，然后除以2。公式为：A = (1/2)ab。

The two lines on the right are parallel, which means they never cross.

右边的两条线是平行的，这意味着它们永远不会相交。

The opposite sides of a rectangle are equal and parallel, which means they never cross.

矩形的对边是相等且平行的，这意味着它们永远不会相交。

A rectangle is a two-dimensional figure with four sides.

矩形是一个二维图形，有四条边。

The two lines are parallel, which means they never cross.

两条线是平行的，这意味着它们永远不会相交。

L4-U1-P2-5 Dialogue : Dinner Conversation 晚餐对话

M: Have you finished eating yet?

M：你吃完了吗？

W: No, I haven't. Why are you in such a hurry?

W：还没有。你这么着急干吗？

M: I'm sorry, but you're such a slow eater.

M：抱歉，但你吃得真慢。

W: A slow eater? Well, I try to enjoy my food. You just eat and swallow. I don't see how you can even taste it!

W：吃得慢？我是想好好享受美食。你只是狼吞虎咽，我真不知道你还能不能尝出味道！

I'm sorry, but you're such a slow eater.

抱歉，但你吃得真慢。

M: OK, I'm sorry. Do you mind if I get another glass of wine?

M：好吧，抱歉。我去再拿一杯酒可以吗？

W: No, go ahead. I don't want you to sit there putting pressure on me. I thought we were going to have a relaxing evening.

W：去吧。我不想让你坐在这儿给我压力。我还以为我们要度过一个轻松的夜晚呢。

What does she allow him to do? - She allows him to get another glass of wine.

她允许他做什么？——她允许他去再拿一杯酒。

A relaxing evening is the opposite of ... a high-pressure evening.

“轻松的夜晚”和“压力大的夜晚”是相反的。

M: Yes, you're right. I'd like to relax, but I have a lot on my mind.

M：你说得对。我也想放松，但我心里有很多事。

W: Work related?

W：工作上的？

M: Yes, it is. I've been getting some strange E-mails from my boss. He wants me to cut down on my expenses. Maybe he wants to fire me.

M：是的。我最近收到老板一些奇怪的邮件。他让我削减开支。也许他想解雇我。

His boss wants him to spend less.

他的老板希望他减少开支。

I'd like to relax, but I have a lot on my mind.

我想放松，但我心里有很多事。

W: Is business bad?

W：生意不好？

M: Yes, it is. But I don't want to talk about it.

M：是的。但我不想谈这个。

W: OK, but I'm a good listener. You can tell me if you'd like to.

W：好吧，但我是很好的倾听者。如果你想说，可以跟我说。

What doesn't he want to talk about? - He doesn't want to talk about his business.

他不想谈什么？——他不想谈他的生意。

M: Thanks. Maybe some other time. I'll try to stop thinking about it and deal with it tomorrow.

M：谢谢。也许下次吧。我尽量不再想它，明天再处理。

W: Good idea. You need to take a break from work. Your health is important, and so am I.

W：好主意。你需要从工作中解脱出来。你的健康很重要，我也很重要。

M: Yes, you are. I don't know what I would do without you.

M：是的，你很重要。没有你我真不知道该怎么办。

You can tell me if you'd like to.

如果你想说，可以跟我说。

I'm sorry, but you're such a slow eater.

抱歉，但你吃得真慢。

I don't see how you can even taste it!

我真不知道你还能不能尝出味道！