2025-2026学年外研版八年级上册 Unit 3 Make it happen! 重点短语句子知识清单

Unit 3 Make it happen! 重点短语句子知识清单 Listening and Speaking Listening and Speaking 短语： 短语： scientific fair 科学博览会 artificial arm 假肢 3-D printer 3D打印机 brain signals 脑信号 lend a hand 伸出援手 fix problems 解决问题 daily necessities 日用品 句子： 句子： Easton built a robotic arm out of plastic blocks and fishing line at the scientific fair. 伊斯顿在科学博览会上用塑料积木和钓鱼线制作了一个机械臂。 The 3-D printer helped Easton invent a lighter artificial arm for children. 3D打印机帮助伊斯顿为孩子们发明了更轻便的假肢。 We should lend a hand to people in need with our creative ideas. 我们应该用创意想法向有需要的人伸出援手。 Great inventors are good at finding and fixing problems in daily life. 伟大的发明家擅长发现并解决日常生活中的问题。 Many inventions have become necessary daily necessities that we can’t live without. 许多发明已成为我们生活中不可或缺的日用品。 Reading and Thinking Reading and Thinking 短语： 短语： fishing line 钓鱼线 plastic blocks 塑料积木 weigh kilograms 重……千克 post online 上传到网上 for free 免费 download the design 下载设计图 unexpected inventions 意外发明 句子： 句子： Jenny’s artificial arm was just a simple hook but cost as much as $80,000. 珍妮的假肢只是一个简单的钩子，却花费了高达8万美元。 Easton’s final design weighed only 0.5 kilograms and cost around $500. 伊斯顿的最终设计仅重0.5千克，成本约500美元。 He decided to post his invention design online for free to help more children. 他决定将发明设计图免费上传到网上，帮助更多孩子。 People can download the design and make the artificial arm with their own 3-D printers. 人们可以下载设计图，用自己的3D打印机制作假肢。 Penicillin is one of the most famous unexpected inventions in history. 青霉素是历史上最著名的意外发明之一。 Discovering Useful Structures Discovering Useful Structures 短语： 短语： to-infinitive as object 动词不定式作宾语 -ing form as object 动名词作宾语 try to do sth 努力做某事 enjoy doing sth 喜欢做某事 decide to do sth 决定做某事 practise doing sth 练习做某事 句子： 句子： Easton tried to improve his robotic arm again and again.（to-infinitive作宾语） 伊斯顿努力一次次改进他的机械臂。 He enjoyed fixing problems one after another during the invention process.（-ing form作宾语） 他喜欢在发明过程中逐一解决问题。 Shantanu decided to design a smart stick for blind students at his school. 尚塔努决定为学校的盲生设计一款智能拐杖。 The inventor practises testing the new product every day to ensure its safety. 发明者每天练习测试新产品，以确保其安全性。 We hope to create more useful inventions for people’s life. 我们希望为人们的生活创造更多实用的发明。 Reading for Writing Reading for Writing 短语： 短语： passionately curious 充满热情地好奇 lightning rod 避雷针 space exploration 太空探索 earthquake detector 地动仪 keyhole of nature 自然的钥匙孔 scientific research 科学研究 句子： 句子： Albert Einstein said he had no special talents but was only passionately curious. 阿尔伯特·爱因斯坦说他没有特殊天赋，只是充满热情地好奇。 Benjamin Franklin’ ... ...