Unit7重点短语句子知识清单-2025-2026学年译林版英语八年级上册

本初中英语讲义聚焦“自然界生态系统”核心主题，系统梳理了“be home to”“play a role in”等重点短语及“热带雨林是超过一半种类动植物的家园”“珊瑚礁维系小区域生命”等主题句子，构建从基础词汇积累到生态主题表达的学习支架。 该资料以生态保护为主线，通过“善待地球就是善待自己”等句子渗透人类命运共同体意识，培养文化素养；结合湿地、森林等不同生态系统实例，引导学生分析比较其功能，提升思维品质。分模块呈现短语与句子，课中辅助教师高效授课，课后助力学生巩固词汇与主题表达，查漏补缺。

Unit7 重点短语句子知识清单 Welcome to the unit 短语： the natural world 自然界 be home to .......的家园 lie between deserts and forests 位于沙漠和森林之间 句子： To treat the earth kindly is to treat oneself kindly. 善待地球就是善待自己。 Rainforests are home to over half of all the types of animals and plants on earth. 热带雨林是超过一半种类的动植物的家园。 Coral reefs look like rocks, but they support a lot of life in just a small area. 珊瑚礁看起来像岩石，但是它们在仅仅很小的区域维着许多的生命。 The ice is home to animals like polar bears and penguins. 冰面是像北极熊和企鹅等动物的家园。 Better understand the importance of protecting ecosystems. 更好地理解保护生态系统的重要性。 I know that grasslands in different places are home to different animals. 我知道在不同地方的草园是不同动物的家园。 The difference in temperature between day and night is huge. 昼夜的温差非常巨大。 The climate in deserts is so awful that only a few animals and plants can live there. 沙漠的气候是如此糟糕以至于只有少数的动植物可以生活在那里。 The desert plants keep water in their leaves, and many animals there get water from these plants. 沙漠植物把水保存在它们的叶子里，那里许多的动物可以从这些植物中获得水。 Reading 短语： the earth’s main ecosystems 地球的主要生态系统 of different sizes 不同的尺寸 small ponds 小池塘 play a role in 在......中扮演角色 keep the balance between...and... 保持...和...的平衡 go on and on 持续不断 the heart of the earth 地球的心脏 get rid of pollution 去除污染 help prevent floods 帮助阻止洪水 sop/prevent/keep (from) doing sth 阻止......做某事 make up 占据，弥补 nearly a third 接近三分之一 take in 吸入 trap harmful things in their leaves 把有害的东西困在他们的叶子里 keep the planet healthy 保持这个星球健康 on our planets 在我们的星球上 millions of tons of plastic 上百万吨的塑料 句子： An ecosystem includes all the living things and non-living things in an area. 一个生态系统包含了在这个区域所有的生物和非生物。 Each ecosystem has a role to play and helps keep the balance between all its members and the greater environment. 每一个生态系统都有一个角色要扮演，帮助保持它所有的成员与更好的环境之间的平衡。 It covers around 17% of the earth’s surface and produces about 70% of the earth’s oxygen. 它覆盖了大约地球表面的17% ，并且产生了地球约70%的氧气。 It holds plenty of salt water, and the water rises to the sky, falls onto the land and then returns to the ocean. 它包含/容纳着大量的咸水，这些水蒸发到天空，落到陆地上，然后又流回海洋。 But they are home to around 40% of all the types of plants and animals. 但是它们是大约40%所有类型的动植物的家园。 During heavy rains, wetlands store water like huge sponges. 在大雨时，湿地像巨大的海绵一样储存水分。 They act like the “kidneys” of the earth. 他们表现地像地球的“肾”。 Plants there take in carbon dioxide from the air and produce oxygen. 那里的植物从空气中吸入二氧化碳并且产生氧气。 Therefore, people can call forests the “lung” of the earth. 因此，人们把森林叫做地球之“肺”。 Each of these ecosystems supports millions of plants and animals. 这些生态系统中的每一个都维系着上百万动植物。 It covers the largest area of the earth’s surface and holds 97% of the earth’s water. 它覆盖了地球表面最大的区域，并且容纳了地球97% 的水。 It plays an important role in slowing down climate change. 它对减缓气候改变扮演者重要的角色。 Sadly, we are facing a serious problem: ocean pollution. 令人遗憾的是我们正面临着一个严重的问头：海洋污染。 Grammar&Word power 短语： provide animals with energy 为动物提供能量 store heat from the sun 储存来自太阳的热量 the largest coral reef system 最大的珊瑚系统 living things 生物 句子： You might think it is simply a group of colourful rocks. 你可能认为它仅仅是一组彩色的岩石。 The ocean water is becoming dirtier because of different human activities, and this causes corals to die slowly. 因为不同的人类活动，海洋水正变得更脏。这导致了珊瑚缓慢死亡。 What’s more, climate change is greatly damaging the ocean’s environment. 此外，气候改变正严重破坏海洋的环境。 Integration 短语： in the north-east of China 在中国东北部 some rare birds 一些珍惜的鸟 all year round 全年 be active 活跃 in the daytime 在白天 cover an area of 覆盖了......的面积 red-crowned cranes 丹顶鹤 reduce the number of tourists 减少游客的数量 keep ...free from... 保持......免收.... keep the wetlands free from pollution 保持湿地免受污染 set up 设立，建立 work with a clean-up project 参与一项清理项目 encourage people to protect forests 鼓励人们保护森林 use more environment-friendly products 适用更环保的产品 句子： It is one of the world’s most important wetlands. 它是世界最重要的湿地之一。 The area provides food and cover for a lot of wildlife. 这个地区为许多的野生动物提供了食物和庇护所。 Many birds live in Zhalong all year round, while some go there only for a short stay. 许多鸟全年住在扎龙，然而有一些只在那里做一个短暂的停留。 Some people want to make the wetlands smaller in order to have more space for farms and buildings. 一些人为了获得更多的农场和建筑的空间，想要使湿地变得更小。 This will lead to less space for wildlife. 这将导致野生动物的空间变得更少。 Moreover, if fishermen keep fishing there, the birds will not have enough food to eat. 此外，如果渔民一只在那里捕鱼，鸟将会没有足够的食物吃。 Now the Chinese government has made laws to prevent all these things in Zhalong. 现在中国政府已经制定法律去阻止在扎龙所有此类的事情。 The mud and sand from the Yellow River and the Yangtze River formed the area. 黄河和长江的泥沙形成了这个区域。 Rubbish causes pollution and damages the ecosystem in forests. 垃圾造成了污染，损害了森林的生态系统。 And maybe we can take our own chopsticks when eating out. 可能在外出的时候我们可以带我们自己的筷子。 You said it! 你说得对！可不是嘛！ Education and knowledge are useful tools to help keep forests safe. 教育和知识是保持森科安全的有用的工具。 I’m writing today to ask for help in protecting the ocean. 我今天写信寻求海洋保护方面的帮助。 It provides us with food and offers us space to have fun. 它为我们提供食物和提供给我们娱乐的空间。 Also, wastewater from factories and houses travels to the ocean and causes pollution. 而且，工厂和房子的废水流到了海洋，造成了污染。 It is meaningful to join an environmental group and work as a volunteer. 加入一个环保阻止和作为一个志愿者工作是有意义的。 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $