L4-U1-P3-1 Listening : Harry's Trips 1哈利的旅行
Harry is an American businessman. 哈里是一位美国商人。
His job requires him to do a lot of traveling. 他的工作要求他经常出差。
He takes 9 or 10 trips a year. 他一年要出差9到10次。
In the past six months he has made 5 trips. 在过去的六个月中，他已经旅行了五次。
(He has made 5 trips is the last 6 months. 在过去的6个月里，他已经旅行了5次)
Three were to Asia and two were to Europe. 三次去了亚洲，两次去了欧洲。
The purpose of these trips is to attend meetings and make presentations. 这些旅行的目的是参加会议和做报告。
Harry loves to travel, and he's traveled to many countries.哈里喜欢旅行，他去过很多国家。
Most of his trips are for one or two weeks. 他的旅行大多是一两个星期。
His first international trip was 15 years ago when he was 20 years old. 他第一次国际旅行是在15年前，当时他20岁。
He really wanted to see Asia, so he and a friend flew to Tokyo, Japan. 他真的很想看看亚洲，所以他和一个朋友飞到了日本东京。
From Tokyo, they traveled around Japan for two weeks. 从东京出发，他们在日本旅游了两个星期。
The people they met were very nice, but most of them didn't speak English. 他们遇到的人都很好，但他们大多数都不会说英语。
Harry tried to speak a little Japanese, but it was difficult. 哈利试着说一点日语，但很难。
He didn't do very well. 他说得不太好。
When he spoke to people, most of them just looked at him. 当他和人们说话时，大多数人只是看着他。
They didn't understand what he was trying to say. 他们不明白他想说什么。
From Japan, they went to Korea for a week, and then they went to China. 他们从日本去了韩国一个星期，然后又去了中国。
In China, they visited the Great Wall, near Beijing. 在中国，他们参观了北京附近的长城。
They stayed in Beijing for a few days, and then boarded a train for Shanghai. 他们在北京呆了几天，然后登上了开往上海的火车。
It was an overnight train with sleeping cars. 那是一列有卧铺车厢的通宵火车。
During the journey, they enjoyed looking out the window at the countryside. 在旅途中，他们欣赏着窗外的乡村风光。
The view from the train was wonderful. 从火车上看风景很美。
Harry will never forget watching the sun go down in the evening. 哈利永远不会忘记晚上看太阳下山的情景。
It was a beautiful sunset. 那是美丽的日落。
The journey to shanghai, took many hours, but it was an
unforgettable experience. 去上海的旅程花了好几个小时，但那是一次难忘的经历。
On the train, they met a Chinese professor who spoke English. 在火车上，他们遇到了一位会说英语的中国教授。
He was a middle-aged man whose hair was turning grey. 他是个白发苍苍的中年人。
He told them about how things were changing in china. 他告诉他们中国正在发生怎样的变化。
It was wonderful to watch him as he was speaking. 看着他讲话真是太棒了。
His eyes were full of energy and excitement. 他的眼睛充满了活力和兴奋。
They only stayed in shanghai for a couple of days. 他们只在上海待了几天。
Then they returned to the US and went back to school. 然后他们回到美国，回到学校。
They had one more year to finish their studies. 他们还有一年的时间完成学业。
L4-U1-P3-2Listening : Harry's Trips 2
Harry's next few trips were to different parts of the world. 哈利接下来的几次旅行是到世界的不同地方。
He went to Europe twice, each time to different countries. 他去过欧洲两次，每次都去了不同的国家。
On one trip, he traveled through the UK and France. 有一次，他走遍了英国和法国。
On the next trip, he went to Italy and Greece.下一次旅行，他去了意大利和希腊。
After Europe, he traveled to Mexico and South America.欧洲之后他去了墨西哥和南美。
In south America, he went to Argentina and Brazil. 在南美，他去了阿根廷和巴西。
He enjoyed watching some great soccer matches. 他喜欢看一些精彩的足球比赛。
Then he decided to go back to Asia. 然后他决定回到亚洲。
But this time he went to southeast Asia. 但这一次他去了东南亚。
He visited Vietnam, Thailand and Singapore. 他访问了越南、泰国和新加坡。
Each country had a charm of its own. 每个国家都有自己的魅力。
After all this travel, Harry decided to make travel part of his career. 在这些旅行之后，哈里决定把旅行作为他职业生涯的一部分。
He didn't want to work only in the US. 他不想只在美国工作。
He didn't want to work only with Americans. 他不想只和美国人合作。
He wanted to experience other countries and other cultures.他想体验其他国家和其他文化。
His dream was to work for an international company. 他的梦想是为一家国际公司工作。
Five years ago his dream came true. 五年前他的梦想实现了。
Now he's working for a German hi-tech company. 现在他在一家德国高科技公司工作。
As part of his job, he has to travel a lot. 作为工作的一部分，他必须经常出差。
As a result, he has been to many cities and countries. 因此，他去过许多城市和国家。
And he has met many interesting people. 他遇到了很多有趣的人。
L4-U1-P3-3 Vocabulary：Dental Problems牙齿问题
A dental cavity is a hole in the tooth. 蛀牙是牙齿上的一个洞。
A cavity is caused by bacteria in the mouth. 蛀牙是由口腔里的细菌引起的。
Brushing your teeth frequently and regularly can help
prevent cavities. 经常定期刷牙有助于预防蛀牙。
A cracked tooth can be caused by biting down on something hard. 牙齿开裂可能是咬硬东西造成的。
Dentists treat a cracked tooth by covering it with a crown.牙医治疗裂开的牙齿用牙冠覆盖。
A dental x-ray is a picture of your teeth and gums. 牙科x光是你牙齿和牙龈的照片。
An x-ray shows what can't be seen on the surface of the teeth and gums. x光显示了牙齿和牙龈表面看不到的东西。
Braces are used by dentists to straighten teeth over a period of years. 牙套是牙医在数年内用来矫正牙齿的工具。
Though braces are usually for children, they can also be used for adults with crooked teeth. 虽然牙套通常用于儿童，但也可以用于牙齿不整齐的成人。
To extract a tooth, means to remove it from the mouth. 拔牙就是把它从嘴里取出来。
Dentists have to pull hard to extract a tooth. 牙医要拔牙必须使劲拔。
Dentists often inject something into the gum to block the pain during the extraction process. 在拔牙的过程中，牙医经常在牙龈中注射一些东西来阻止疼痛。
L4-U1-P3-4 Vocabulary：Internal Organs内脏器官
The heart pumps blood to all parts of the body through a system of arteries and veins. 心脏通过动脉和静脉系统将血液输送到身体的各个部位。
It's located in the chest, between the lungs, and beats about once per second. 它位于胸腔，肺部之间，大约每秒跳动一次。
The kidneys remove waste and toxins from the blood. 肾脏清除血液中的废物和毒素。
They are bean shaped organs and are about 10 centimeters long and 6 centimeters wide. 它们是豆子形状的器官，长约10厘米，宽约6厘米。
The lungs exchange oxygen from the air with carbon dioxide from the blood. 肺部将空气中的氧气与血液中的二氧化碳进行交换。
They expand when inhaling air, and contract when exhaling air. 吸入空气时膨胀，呼出空气时收缩。
The stomach is below the heart, and it's part of the digestive system. 胃位于心脏下方，是消化系统的一部分。
It uses acids to digest food before passing it to the small intestine. 在食物进入小肠之前，它用酸来消化食物。
The bladder is a balloon-shaped organ that collects urine from the kidneys. 膀胱是一个气球形状的器官，从肾脏收集尿液。
In an adult, the bladder can hold about half a liter of urine. 成年人的膀胱可以容纳大约半升的尿液。
L4-U1-P3-5 Dialogue：Police Traffic Stop警察制止交通
A: Good evening, sir.
You were driving too fast. 你开得太快了。
B: Really? was I? 真的吗?我有吗?
A: Yes, you were going well above the speed limit. 是的，你的速度远远超过了极限。
B: I'm sorry, Officer.
A: OK, I need to see your driver's license. 好的，我需要看一下你的驾照。
（He has given his driver's license to the police officer. 他已把驾驶执照给了警察。）
B: Here is my driver's license. 这是我的驾照。
A: Your license has expired. 您的驾照过期了。
Are you aware of that? 你知道吗？
B: No, sir. that's a surprise. 不知道。真是意外。
I didn't know. 我不知道。
A: It expired more than a year ago. 它一年多前就过期了。
Is this your car? 是你的车吗?
B: No, sir. It's a Friend's. 不，先生，这是朋友的。
I'm borrowing it for the night. 我要借它过夜。
A: Get out of the car and put your hands behind your back. 下车，把手放在背后。
B: Why, officer? What have I done? 为什么，警官？我做了什么？
A: Just do as I say. 照我说的做。
B: OK, officer. I'm cooperating. 好的,警官。我合作。
Please don't push me. 请不要逼我。
A: Get your hands behind your back. 把手放在背后。
B: OK, OK.
A: I'm not asking you. 我不是在请求你。
I'm ordering you.我是在命令你。
B: Please，officer. 拜托，警官。I haven't done anything wrong.我没做错什么。
A: Stay still and don't say anything. 呆着别动，什么也别说。
This is a stolen car. are you aware of that? 这是一辆偷来的车。你知道吗?
B: Are you going to arrest me? 你要逮捕我吗?
A: What do you think? 你觉得呢?
That's what we do with car thieves. 我们就是这么对付偷车贼的。
