八年级英语下册七单元翻译重点是什么？

这个单元的主题是 “世界之最” (World Records)，围绕地理、自然和动物等话题展开，重点学习比较级和最高级的用法。

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核心词汇翻译

地理与自然

• mountain: 山，山脉
• Qomolangma (Mount Everest): 珠穆朗玛峰 (即 Mount Everest)
• square: 平方
• meter / metre: 米
• desert: 沙漠
• Sahara: 撒哈拉沙漠
• condition: 条件，状况
• take in: 吸入，吞入 (e.g., air, smoke)
• at birth: 出生时
• be born: 出生
• run over: 撞倒，碾过
• achieve one's dream: 实现某人的梦想
• achievement: 成就，功绩
• force: 力量，武力
• nature: 自然，大自然
• protection: 保护
• peace: 和平
• in the face of: 面对（困难、挑战等）
• final: 最后的，最终的
• challenge: 挑战
• in the face of danger: 面对危险

动物

• panda: 熊猫
• zoo: 动物园
• research: 研究，调查
• keeper: 饲养员
• bamboo: 竹子
• public: 公众，民众
• snake: 蛇
• wake up: 醒来
• excited: 兴奋的
• walk into: 走进
• fall over: 绊倒
• die: 死亡
• risk: 风险，危险
• endangered: 濒危的
• prohibit: 禁止
• law: 法律，法规
• be in danger: 处于危险中
• import: 进口
• protect: 保护

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重点句型与对话翻译

Section A: 1a-2d (世界地理之最)

对话 1 (1c): 比较山的高度

• A: What's the highest mountain in the world? 世界上最高的山是什么？
• B: It's Qomolangma. 是珠穆朗玛峰。
• A: How high is it? 它有多高？
• B: It's 8,844.43 meters high. 它有8844.43米高。

对话 2 (2d): 讨论撒哈拉沙漠

• Claire: What's the biggest desert in the world? 世界上最大的沙漠是什么？
• Tom: The Sahara. It's about 9,600,000 square kilometers. 是撒哈拉沙漠,它大约有960万平方公里。
• Claire: Wow, that's big! What's the deepest salt lake in the world? 哇，真大！世界上最深的咸水湖是什么？
• Tom: The Caspian Sea. It's over 1,025 meters deep. 是里海,它有超过1025米深。

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Section B: 1a-2d (濒危动物与保护)

对话 1 (1c): 讨论熊猫

• Wang Ying: Why are pandas endangered? 为什么熊猫会濒危？
• Liu Wei: Because their living areas are becoming smaller. 因为它们的栖息地正在变得越来越小。
• Wang Ying: And they don't have enough bamboo to eat. 而且它们没有足够的竹子吃。
• Liu Wei: Yes. We must save the trees and plant more bamboo. 是的，我们必须保护树木,并种更多的竹子。

对话 2 (2d): 讨论保护动物的法律

• Leo: I read about a law that protects pandas in the newspaper. 我在报纸上读到一条保护熊猫的法律。
• Judy: Really? What does it say? 真的吗？它说了什么？
• Leo: It says that people are not allowed to hunt pandas or cut down bamboo forests. 它说人们不被允许猎杀熊猫或砍伐竹林。
• Judy: That's a good law. Pandas are so cute and important. 那是一条好法律，熊猫太可爱了,也很重要。
• Leo: Yes. We should all try to protect them. 是的,我们都应该尽力保护它们。

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语法重点：形容词和副词的比较级与最高级

这是本单元的核心语法,用于比较事物。

构成规则

类型	规则	原级	比较级	最高级	例句
一般单音节词	直接加-er / -est	tall (高的)	taller	tallest	Qomolangma is taller than any other mountain. (珠穆朗玛峰比其他任何山都高。)
		long (长的)	longer	longest	The Yellow River is the longest river in China. (黄河是中国最长的河。)
以-e结尾	加-r / -st	nice (好的)	nicer	nicest	This book is nicer than that one. (这本书比那本好。)
		large (大的)	larger	largest	China is one of the largest countries in the world. (中国是世界上最大的国家之一。)
“辅音+y”结尾	变y为i，再加-er / -est	happy (快乐的)	happier	happiest	She is happier today. (她今天更开心了。)
		easy (容易的)	easier	easiest	Math is easier than English for me. (数学比英语容易。)
重读闭音节词	双写末尾辅音，加-er / -est	big (大的)	bigger	biggest	An elephant is bigger than a tiger. (大象比老虎大。)
		hot (热的)	hotter	hottest	Summer is the hottest season. (夏天是最热的季节。)
多音节词	在词前加more / most	beautiful (美丽的)	more beautiful	most beautiful	The peacock is more beautiful than the pigeon. (孔雀比鸽子更美丽。)
		expensive (昂贵的)	more expensive	most expensive	This computer is more expensive than that one. (这台电脑比那台贵。)
不规则变化	特殊变化	good / well (好的)	better	best	This is the best movie I have ever seen. (这是我看过的最好的电影。)
		bad / badly (坏的)	worse	worst	His English is worse than mine. (他的英语比我的差。)
		many / much (许多)	more	most	There are more students in our class than in theirs. (我们班的学生比他们班的多。)
		little (少)	less	least	I have less money than you. (我的钱比你少。)
		far (远)	farther / further	farthest / furthest	The moon is the farthest object from the Earth. (月球是离地球最远的天体。)

基本句型

• 比较级: A + be动词 + 比较级 + than + B

  • The Amazon River is longer than the Yangtze River. (亚马逊河比长江长。)
  • This book is more interesting than that one. (这本书比那本更有趣。)

• 最高级: A + be动词 + the + 最高级 + (in/of...)

  
  （图片来源网络，侵删）
  • Qomolangma is the highest mountain in the world. (珠穆朗玛峰是世界上最高的山。)
  • She is the tallest girl in our class. (她是我们班最高的女孩。)