标签:学英文 相关文章
Orion 猎户座 You probably hear of Orion quite often. 你可能经常听说猎户座。 Orion is one of the most visible and largest groups of stars. 猎户座是最可见也是最大的恒星群之一。 Orion consist of a lot of stars. 猎户座有
Pilgrims 朝圣者 About 400 years ago, native Indians were the only people in north America. 大约400年前,北美洲只有印第安土著居民。 But now, there are many kinds of people in the United States. 但是现在,美国有很多种族的
Egg Cells 卵细胞 Do you know what an egg cell is? 你知道什么是卵细胞吗? An egg cell is necessary for reproduction. 卵细胞是繁殖的必要条件。 Animals have egg cells. 动物有卵细胞。 Then does every animal have egg cells
Proteins 蛋白质 What is protein? 什么是蛋白质? It is one of the most important nutrients, animals need. 它是一种动物所需的最重要的营养物质。 People really need a lot of protein. 人们需要大量的蛋白质。 Protein h
Oxygen 氧气 Can you touch or feel oxygen in the air? 你能触摸或感受到空气中氧气吗? Oxygen has very unique characteristics. 氧气有非常独特的性质。 You cannot see oxygen because it doesn't have a color. 你看不到氧气,因
Volcano 火山 Many mountains are the result of volcanoes. 许多山峰都是火山的产物。 A long time ago, many mountains were formed by volcanic activity. 很久以前,很多山峰都是由火山运动形成的。 When a volcano explodes, it
Valley 峡谷 Have you been to a nice valley between big mountains. 你去过大山之间的美丽的峡谷么? If you see many mountains in your country, you also have many vellays. 在你们的国家,你若能看到大山,也就能看到很多峡
President 总统 The president is a leader of a country. 总统是一国领导人。 The president represents his or her country toward other countries. 总统代表国家与他国开展活动。 The president is serving for a country. 总统为国家服
The War 战争 There were a lot of wars in our history. 历史上曾发生过很多次战争。 People make wars to get something. 人们为了得到某些东西而发动战争。 In the old days, some countries invaded other countries to expand thei
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
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'
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
Fresh Water 淡水 Fresh water comes from ponds, lakes, rivers and streams. 淡水来自于池塘、湖泊、河流和溪流。 People use fresh water for drinking, farming and so on. 淡水可用于饮用、耕种等等。 People can only drink fres
Government 政府 A government does a lot of things for the people in a country. 政府为一个国家的人民做很多事情。 The government maintains military and police to protect people. 政府供养军队和警察来保护人民。 The govern
Soil 土地 Soil is necessary for people's life. 土地是人类生活的必需品。 Plants can grow from soil. 植物依靠土地生长。 Soil gives plants a lot of nutrition. 土地为植物提供大量的营养物质。 Plants can make flowers a
Calcium 钙 Calcium is a kind of mineral. 钙是一种矿物. It is found in rocks, sea water and soil. 它常见于岩石、海水和土壤中。 Calcium is important for human health. 钙对人体健康很重要。 Then do we have to eat rocks or s
Force 力 A force is a push or a pull. 力是指推力或拉力。 Force gives an object the energy to move, stop moving or change direction. 力给予物体移动、不移动或改变方向的能量。 Here are some good examples of force. 这里有几
Whales 鲸鱼 Whales are very large mammals and they living in the sea. 鲸鱼是生活在海里的巨大哺乳动物。 They breathe air into their lungs. 它们把空气吸入肺里。 They feed their babies milk and they have some hair too. 它们给
Moth 飞蛾 We can find moths all over the world. 飞蛾无处不在。 There are 180000 different kinds of moths. 世界上共有180000种不同的飞蛾。 Moths vary in sizes. 飞蛾大小各异。 Some moths' wings are only point 4 centimeters lo
Backbone 脊柱 The backbone is one of the bones in the human body. 脊柱是人身体里的骨头之一。 It supports people's backs. 它支撑着人的背部。 Without a backbone, people cannot stand up, sit down or walk. 要是没有脊柱,人就