National Flag 国旗 A national flag is a symbol of a country. 国旗是国家的象征。 It has a special design to represent the nation. 它有一个代表国家的特殊设计。 The oldest national flag is the flag of Denmark. 最古老的国旗是

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Law 法律 People should obey the law. 人们应该遵守法律。 If people break the law, they are going to be in big trouble. 人们如果违反法律,会陷入大麻烦当中。 There are some interesting laws in the United States. 美国有一些

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Factory 工厂 There are workers, machines and goods in a factory. 工厂里有工人、机器和商品。 Workers manufacture goods by using machines. 工人们用机器生产商品。 The first factory in history was built in China. 历史上第一家

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Fire Fighter 消防员 Fire fighters put out fires and save people's lives. 消防员能扑灭火灾,挽救人们的生命。 They also save people's houses and buildings, and protect the environment. 他们也能保护人们的房屋建筑,也能保

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Country 国家 How many countries are there in the world? 世界上有多少个国家呢? There are 195 different countries in the world. 世界上有195个不同的国家。 37 countries are in Asia and 53 countries are in Africa. 37个国家在亚洲

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Community 团体 A community is a group of people. 团体是指一群人。 They live in the same location. 他们住在同一个地方。 They talk to each other very often. 他们经常交流。 They share the same interests. 他们有共同的兴趣

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Giraffe 长颈鹿 A giraffe is the tallest animal on earth. 长颈鹿是世界上最高的动物。 It is sixteen to eighteen feet tall. 它的身高大约在16-18英尺之间。 It weighs about 3,800 pounds. 体重大约是3800磅。 Male giraffes a

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Stem 茎 A stem is a part of a plant. 茎是植物的一部分。 It helps to hold up the flower. 它帮着支撑花朵。 It also moves water from roots to leaves. 它也能把根部的水运输到叶子那里。 What is the tallest tree with the ta

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Wind 风 Wind helps people on Earth. 风能帮助地球上的人们。 Wind can make a lot of energy and so people can use it. 风能产生大量的能量,因此人们可以利用它。 Wind is the cheapest form of energy. 风是最廉价的能量形

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Duck 鸭子 A duck is a kind of bird. 鸭子是一种鸟类。 Ducks are smaller than swans and geese. 鸭子比天鹅和鹅的体型小。 They live in both rivers and seas. 鸭子生活在河里和海里。 What do ducks eat? 鸭子吃什么呢?

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Temperature 温度 Temperature is how cold and how hot the outside air is. 温度是指外面空气的冷热程度。 It is measured by a thermometer. 可用温度计测量。 Also, people feel temperature with their bodies. 人们的身体也能感受

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Human Teeth 人的牙齿 Teeth are the hardest thing in the human body. 牙齿是人体中最坚固的东西。 They are not made of bone. 它们不是由骨骼构成的。 They are made of enamel, gum and so on. 而是由牙釉质,牙龈等构成的

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Arctic 北极圈 The Arctic is located near the North Pole. 北极圈位于北极附近。 It is a very cold place. 它是个非常冷的地方。 The Arctic is covered with snow. 北极圈覆盖着大雪。 The coldest temperature in the Arctic was

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Rain 雨 Do you see clouds in the sky? 你看到天上的乌云了吗? You can see rain soon. 不久你就能看到雨了。 If it rains too much,a flood could happen. 如果雨下得太大,会发洪水。 How big is rain? 雨滴有多大? One

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Kangaroo 袋鼠 Kangaroos live in Australia and New Zealand. 袋鼠居住在澳大利亚和新西兰。 They have small heads, long ears, strong legs and long tails. 袋鼠有着小小的头,健壮的腿与长长的耳朵和尾巴。 Kangaroos can'

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Fruit 水果 What kind of fruit do you like best? 你最喜欢哪种水果? We get fruit from plants. 我们从植物上获取果实。 Fruit is a part of a plant and it has seeds inside. 果实是植物的一部分,里面藏有种子。 There ar

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Heat 热量 Heat is one kind of energy. 热量是一种能量。 It makes things warm and hot. 它能使物体温暖火热。 You can't see heat. 你看不见热量。 But when you stand next to a hot oven, you can feel warm. 但当你站在一个热的

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Land 土地 People need land for many different reasons. 人们需要土地的理由各不相同。 They find natural resources on land. 他们在土地中寻找自然资源。 They build houses on land. 他们在土地上建房子。 They try to get

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Job 职业 What do you do for a living? 你的职业是什么? Everybody has a job. 每个人都有职业。 What kinds of jobs are there? 那么都有哪些类型的职业呢? There are teachers, doctors, cooks, lawyers, writers, bankers, actors

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Freedom 自由 What is freedom? 什么是自由? Freedom is the right to choose. 自由就是拥有选择的权利。 Why do people want to be free? 为什么人们想要自由? Because people can do whatever they want if they are free. 因为如果

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