Unit 5 Power of Ideas Section A 知识清单2026-2027学年人教版英语九年级上册
Unit 5 Power of Ideas Section A
一、重点单词讲解
1:invention n. 发明;创造----- an invention (一项发明)---- the invention of ....(....的发明)---- make an invention (做出一项发明)
Eg:四大发明是中国古代文化的骄傲。
The four great inventions are the pride of ancient Chinese culture.
一些人认为互联网的发明带来了更多的问题。
Some people think the invention of the Internet brings more problems.
2:camera n.照相机;摄影机---- digital camera (数码相机)---- use a camera (使用相机)
Eg:这台老式相机是数百年前制造的。
The old camera was made hundreds of years ago.
用相机拍照成了我最喜欢的爱好之一。
Taking photos with a camera has become one of my favourite hobbies.
3:sunglasses n.墨镜---- a pair of sunglasses (一副太阳镜)---- wear sunglasses (戴太阳镜)
Eg:我戴上太阳镜,防止刺眼的阳光伤害眼睛。
I put on sunglasses to stop the bright sunshine from hurting my eyes.
这副墨镜很便宜。
The pair of sunglasses is very cheap.
4:button n.按钮;扣子 v. 扣上纽扣---- press/push a button (按下按钮)---- a shirt button (一个衬衫纽扣)----- emergency button (紧急按钮)
Eg:如果你需要帮助,请按下这个按钮。
Please press the button if you need help.
5:itself pron 它自己----- by itself (独自;单独))---- hurt itself (伤到了它自己)
Eg:月亮本身不发光。
The moon itself doesn’t give out light .
这台机器可以自动运转。
The machine can work by itself .
6:printer n.打印机;印刷公司---- turn on the printer (打开打印机)---- connect a printer (连接打印机)----a paper printer (纸质打印机)
Eg:你能告诉我怎么把打印机连到电脑上吗?
Could you tell me how to connect the printer to the computer?
3D打印机为爱动手制作的学生打开了一个新世界。
A 3D printer opens a new world for students who love making things.
7:produce v.生产;制造;产生;繁育---- produce goods (生产商品)---- produce waste (产生废弃物)
Eg:过多压力会在我们心里产生负面情绪。
Too much stress may produce bad feelings in our mind.
这家工厂为很多国家生产自行车。
The factory produces bikes for many countries.
8:plastic n.塑料 adj 塑料的---- plastic waste (塑料废弃物)---- plastic pollution (塑料污染)---- a piece of plastic (一块塑料)
Eg:许多海洋生物把微小的塑料片误认为食物,误食下去。
Many sea creatures mistake tiny pieces of plastic for food and eat them by accident.
我们回收的塑料瓶可以被制成新衣服或者其他有用的物品。
The plastic bottles that we recycle can be turned into new clothes or other useful goods.
9:invent v.发明;编造---- invent a new machine (发明一台新机器)---- invent a story
(编造一个故事)
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Eg:如果你想发明有用的东西,你需要细心观察,换位思考。
If you want to invent something useful ,you need to watch carefully and think differently.
不要为你的错误编造借口,因为诚实比任何东西都重要。
Don’t invent excuses for your mistakes,because honesty matters more than anything else.
10:suppose v.认为;推断;猜想;假定---- be supposed to do sth (应该,被期望做某事)---- suppose sb to be .... 认为某人是....
Eg:我认为这台新的打印机能帮助我们更快完成打印任务。
I suppose that the new printer will help us finish the printing work much faster.
日常生活中我们应当做好垃圾分类,减少塑料的使用。
We are supposed to sort rubbish and cut down the use of plastic in daily life.
11:wheel n.车轮;轮子----a broken wheel (破损的轮子)---- the wheel of ....(....的轮子)
Eg:没有轮子,汽车、火车等许多现代发明都不会出现。
Without the wheels ,many modern inventions such as cars and trains would never come into being.
12:frozen adj 冻硬的;冰封的---- frozen food (冷冻食品)---- frozen river (结冰的河流)---- frozen ground (冻土)---- get frozen (冻僵)
Eg:不要把热水直接浇在冰封的玻璃上,不然它会立刻炸裂。
Don’t pour hot water directly onto the frozen glass ,or it may crack at once.
尽管冷冻食品给快节奏的生活带来了便利,我们还是要理性选择。
Although frozen food brings great convenience to our fast-paced life,we should choose it wisely .
13:melt v.(使)融化;逐渐消失---- melt away (慢慢消融;消失)---- melt with heat (受热熔化)
Eg:当积雪融化时,大量淡水汇入河流。
When the snow melts ,plenty of fresh water flows into rivers.
14:pipe n.管道;管子;烟斗---- water pipe (水管)---- plastic pipe (塑料管道)
Eg:冬天来临时,我们要采取措施,防止管道冻裂。
When winter comes,we should take action to keep pipes from being frozen and broken.
15:tourism n.旅游业---- develop tourism (发展旅游业)---- cultural tourism (文化旅游)
Eg:旅游业带来收入,但是也造成了污染与过度拥挤。
Tourism brings income, yet it also causes pollution and overcrowding.
健康旅游业的关键,是尊重自然与合理规划。
The key to healthy tourism is respect for nature and rational planning.
16:economic adj 经济的;经济学的---- economic development (经济发展)---- economic growth (经济增长)
Eg:良好的生态保护能够带来长期经济效益。
Good environmental protection can bring long-term economic benefits .
经济发展很重要,但是它不是全部。
Economic development matters,but it is not everything.
17:gain v&n.获得;取得---- gain experience (获得经验)---- gain confidence (树立信心)----
no pain , no gain (一分耕耘,一份收获)
Eg:你可以通过阅读获得知识。
You can gain knowledge by reading .
尽管他从比赛中收获很多,他仍然认为还有很多要学。
Although he gains a lot from the competition, he still believes that there is much more to learn.
二、词形变化
1:invent v.发明---- invention (n.发明)---- inventor (n.发明家)
2:freeze v. (使)结冰;(使)冻住---- frozen (adj 冻硬的;冰封的)---- freezing (adj 极冷
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的;冰冻的)
3:tour v&n 旅行;游览---- tourist (n.游客)---- tourism (n.旅游业)
4:economy n.经济---- economic (adj 经济的;经济学的)
5:produce v.生产;制作;出产---- product (n.产品)---- production (n.生产;制造;产量)---- productive (adj 多产的;生产的)
6:German n.德国人 ;德语 adj 德国的;德语的---- Germany (n.德国)
7:show v.展示;表明n.节目---- showed (过去式)---- shown (过去分词)
8:distance n.距离---- distant (adj 遥远的)
9:noise n.噪音---- noisy (adj 吵闹的)
三、重点短语
英语 | 中文 | 英语 | 中文 |
1: bring about | 带来;引起 | 2:creative ideas | 有创意的想法 |
3: high-speed train | 高铁 | 4: a pair of sunglasses | 一副墨镜 |
5: be used for | 被用于..... | 6: be connected to/with | 与.....连接 |
7: be turned into | 被变成.... | 8: control the color and picture | 控制颜色和图片 |
9: have a try | 试一试 | 10: press this button | 按这个按钮 |
11: make many kinds of dishes | 做很多类型的菜 | 12:an app with many recipes | 有很多菜谱的App |
13: be shown | 被展出 | 14: be made by | 被....制造 |
15:all kinds of everyday objects | 各种各样的日常物品 | 16: in medicine | 在医学方面 |
17: be designed on a computer | 在电脑上被设计出来 | 18:be sent to the 3D printer | 被发送到3D打印机 |
19: be used to do Sth | 被用于做某事 | 20: other materials | 其他的材料 |
21: in your daily life | 在你的日常生活中 | 22:the most useful invention of all time | 有史以来最有用的发明 |
23: in seconds | 几秒之内 | 24:an Italian inventor | 一位意大利的发明家 |
25:a radio message | 一份无线电报 | 26: for the first time | 第一次 |
27: quite a distance | 相当远 | 28: at that time | 那时;在那个时期 |
29: as well | 也 | 30: have a big effect on music | 对音乐有极大的影响 |
31: make it much easier for sb to do sth | 使做某事对于某人来说更容易 | 32: across the Atlantic Ocean | 横跨大西洋 |
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