Unit 4 Life on Mars. 同步词汇笔记-2024-2025学年译林版九年级英语下册

译林版 九下 Unit 4 Life on Mars. 同步词汇笔记 序号 单词 词形变化 派生词 核心考点 例句 1 Mars /mɑːz/ n. 火星 (50) 单复数同形（专有名词） N/A N/A 1. Mars is often called the Red Planet because of its color.（火星因其颜色常被称为红色星球。）2. Scientists have sent many rovers to explore Mars.（科学家已发送许多探测器探索火星。） 2 helmet /ˈhelmɪt/ n. 头盔 (50) 复数：helmets N/A N/A 1. You must wear a helmet when riding a bicycle for safety.（为安全起见，骑自行车时必须戴头盔。）2. The astronaut’s helmet protects him from the harsh space environment.（宇航员的头盔保护他免受恶劣太空环境的伤害。） 3 air tank /eə tæŋk/ n. 氧气罐 (51) 复数：air tanks N/A N/A 1. Divers carry an air tank to breathe under water.（潜水员携带氧气罐在水下呼吸。）2. The air tank on the spacesuit can provide oxygen for several hours.（宇航服上的氧气罐可提供数小时的氧气。） 4 dried food /draɪd fuːd/ n. 干粮 (51) 复数：dried foods N/A N/A 1. We took some dried food for the camping trip.（我们为露营旅行带了些干粮。）2. Astronauts eat dried food to save space in the spaceship.（宇航员吃干粮以节省飞船内的空间。） 5 power pack /ˈpaʊə pæk/ n. 电源包 (51) 复数：power packs N/A N/A 1. The hiker used a power pack to charge his phone.（徒步旅行者用电源包给手机充电。）2. This power pack can supply electricity to small electronic devices.（这个电源包可给小型电子设备供电。） 6 sleeping bag /ˈsliːpɪŋ bæɡ/ n. 睡袋 (51) 复数：sleeping bags N/A N/A 1. We slept in sleeping bags when we camped in the mountains.（我们在山里露营时睡在睡袋里。）2. The sleeping bag is warm enough for cold winter nights.（这个睡袋足够暖和，能应对寒冷的冬夜。） 7 gravity /ˈɡrævəti/ n. 重力 (51) 不可数名词（无单复数变化） N/A N/A 1. Gravity keeps us from floating off the Earth.（重力使我们不会从地球上飘走。）2. The gravity on the Moon is much weaker than that on Earth.（月球上的重力比地球上弱得多。） 8 planet /ˈplænɪt/ n. 行星 (52) 复数：planets N/A N/A 1. Earth is the third planet from the Sun.（地球是太阳系中离太阳第三近的行星。）2. Jupiter is the largest planet in our solar system.（木星是太阳系中最大的行星。） 9 crowded /ˈkraʊdɪd/ adj. 拥挤的 (52) 比较级：more crowded；最高级：most crowded crowd /kraʊd/ n. 人群；v. 拥挤 N/A 1. The subway is usually crowded during rush hour.（地铁在高峰时段通常很拥挤。）2. We couldn’t walk fast because the street was too crowded.（街上太拥挤，我们走不快。） 10 polluted /pəˈluːtɪd/ adj. 被污染的 (52) 无比较级/最高级（过去分词作形容词） pollute /pəˈluːt/ v. 污染；pollution /pəˈluːʃn/ n. 污染 N/A 1. The polluted river is not safe for fish to live in.（这条被污染的河流不适合鱼类生存。）2. We should try to reduce the amount of polluted air in cities.（我们应努力减少城市中的污染空气量。） 11 rapid /ˈræpɪd/ adj. 快的，迅速的 (52) 比较级：more rapid；最高级：most rapid rapidly /ˈræpɪdli/ adv. 快地，迅速地（本单元已列） N/A 1. The company has made rapid progress in recent years.（该公司近年来取得了迅速的发展。）2. There has been a rapid increase in the number of students.（学生人数有了迅速的增长。） 12 increase /ˈɪŋkriːs/ n. 增加 (52) 复数：increases；动词形式（v. /ɪnˈkriːs/）：过去式increased，过去分词increased N/A N/A 1. There was a big increase in food prices last month.（上个月食品价格有大幅上涨。）2. The increase in population brings many challenges.（人口增长带来了许多挑战。） 13 (all) over again 再；重新 N/A N/A (all) over again 再；重新 1. I made a mistake, so I had to do the work all over again.（我犯了错，所以不得不重新做这项工作。）2. He forgot to save the file, so he had to type it over again.（他忘了保存文件，所以不得不重新输入。） 14 passenger /ˈpæsɪndʒə(r)/ n. 乘客 (52) 复数：passengers N/A N/A 1. The bus stopped to pick up more passengers.（公交车停下来接更多乘客。）2. Each passenger must show their ticket before getting on the train.（每位乘客上车前必须出示车票。） 15 at a/the speed of 以……的速度 N/A N/A at a/the speed of 以……的速度 1. The train is moving at a speed of 180 kilometers per hour.（火车正以每小时180公里的速度行驶。）2. The car passed us at the speed of 100 miles an hour.（那辆车以每小时100英里的速度超过了我们。） 16 uncomfortable /ʌnˈkʌmftəbl/ adj. 使人不舒服的；不舒适的 (52) 比较级：more uncomfortable；最高级：most uncomfortable comfortable /ˈkʌmftəbl/ adj. 舒适的；comfort /ˈkʌmfət/ n. 舒适；v. 安慰 N/A 1. The chair is hard and uncomfortable to sit on.（这把椅子很硬，坐起来不舒服。）2. She felt uncomfortable because her shoes were too tight.（她觉得不舒服，因为鞋子太紧了。） 17 oxygen /ˈɒksɪdʒən/ n. 氧气 (52) 不可数名词（无单复数变化） N/A N/A 1. All living things need oxygen to breathe.（所有生物都需要氧气呼吸。）2. The doctor gave the patient oxygen through a mask.（医生通过面罩给病人输氧。） 18 in the form of 以……的形式 N/A N/A in the form of 以……的形式 1. The money was given in the form of a scholarship.（这笔钱是以奖学金的形式发放的。）2. Ice is water in the form of a solid.（冰是水的固体形式。） 19 tasty /ˈteɪsti/ adj. 味道好的 (53) 比较级：tastier；最高级：tastiest taste /teɪst/ n. 味道；v. 尝起来 N/A 1. My mom cooked a tasty meal for the family.（妈妈为家人做了一顿美味的饭。）2. The apples from this tree are very tasty.（这棵树上的苹果味道很好。） 20 specially /ˈspeʃəli/ adv. 专门地，特地 (53) 无比较级/最高级 special /ˈspeʃl/ adj. 特别的；specialist /ˈspeʃəlɪst/ n. 专家（初中拓展） N/A 1. She made a cake specially for my birthday.（她特地为我的生日做了一个蛋糕。）2. This shop is specially for selling children’s clothes.（这家商店专门卖儿童服装。） 21 compare /kəmˈpeə(r)/ vt. & vi. 比较 (53) 过去式：compared；过去分词：compared；第三人称单数：compares comparison /kəmˈpærɪsn/ n. 比较 compare to/with 与……相比 1. We often compare the two brothers because they look similar.（我们经常比较这两兄弟，因为他们长得像。）2. If you compare this book with that one, you’ll find many differences.（如果你把这本书和那本比较，会发现很多不同之处。） 22 compare to/with 与……相比 N/A N/A compare to/with 与……相比 1. Teachers often compare students’ grades with those of last term.（老师经常把学生的成绩和上学期的比较。）2. When we compare air pollution to water pollution, both are serious.（当我们把空气污染和水污染比较时，会发现两者都很严重。） 23 interplanetary /ˌɪntəˈplænətri/ adj. 行星间的 (53) 无比较级/最高级 planet /ˈplænɪt/ n. 行星（本单元已列） N/A 1. Interplanetary travel is still a dream for humans now.（行星间旅行目前对人类来说仍是一个梦想。）2. Scientists are studying interplanetary communication systems.（科学家正在研究行星间的通信系统。） 24 network /ˈnetwɜːk/ n. 网络 (53) 复数：networks N/A N/A 1. We can get information easily through the Internet network.（我们通过互联网能轻松获取信息。）2. The company has built a large network of stores across the country.（该公司在全国建立了庞大的门店网络。） 25 challenging /ˈtʃælɪndʒɪŋ/ adj. 挑战性的 (53) 无比较级/最高级（现在分词作形容词） challenge /ˈtʃælɪndʒ/ n. 挑战；v. 向……挑战 N/A 1. This math problem is very challenging for me.（这道数学题对我来说很有挑战性。）2. Climbing that high mountain is a challenging task.（攀登那座高山是一项有挑战性的任务。） 26 rapidly /ˈræpɪdli/ adv. 快地，迅速地 (54) 无比较级/最高级 rapid /ˈræpɪd/ adj. 快的，迅速的（本单元已列） N/A 1. The city is growing rapidly in recent years.（这座城市近年来发展迅速。）2. The number of cars on the road is increasing rapidly.（路上的汽车数量正迅速增加。） 27 aware /əˈweə(r)/ adj. 知道，意识到 (57) 无比较级/最高级 awareness /əˈweənəs/ n. 意识 be aware of 意识到；知道 1. We should be aware of the importance of protecting the environment.（我们应意识到保护环境的重要性。）2. She wasn’t aware of the danger until it was too late.（直到太晚了，她才意识到危险。） 28 circle /ˈsɜːkl/ vi. & vt. 围绕；将……圈起来 (57) 过去式：circled；过去分词：circled；第三人称单数：circles；名词形式（n.）：circle /ˈsɜːkl/ n. 圆圈 N/A circle around 围绕……转 1. The moon circles the Earth every 28 days.（月球每28天绕地球一周。）2. She circled the correct answers with a red pen.（她用红笔把正确答案圈了出来。） 29 distance /ˈdɪstəns/ n. 距离；远处 (57) 不可数名词（表“距离”时）；复数：distances（表“不同距离”时） distant /ˈdɪstənt/ adj. 遥远的 in the distance 在远处；keep a distance from 与……保持距离 1. The distance between my home and school is about two kilometers.（我家到学校的距离大约两公里。）2. We could see a small village in the distance.（我们能看到远处有一个小村庄。） 30 possibility /ˌpɒsəˈbɪləti/ n. 可能性 (57) 复数：possibilities possible /ˈpɒsəbl/ adj. 可能的；possibly /ˈpɒsəbli/ adv. 可能地 there is a possibility of doing sth. 有做某事的可能性 1. There is a possibility of rain this afternoon.（今天下午有下雨的可能性。）2. Is there any possibility that you can help me?（你有没有可能帮我一下？） 31 alien /ˈeɪliən/ n. 外星人 (58) 复数：aliens；形容词形式（adj.）：alien /ˈeɪliən/ adj. 外国的；陌生的 N/A N/A 1. Many science fiction movies talk about aliens from other planets.（许多科幻电影讲述来自其他星球的外星人。）2. Do you believe that aliens exist in the universe?（你相信宇宙中存在外星人吗？） 32 doubt /daʊt/ n. 疑惑，疑问 (58) 复数：doubts；动词形式（v.）：doubt /daʊt/ v. 怀疑 doubtful /ˈdaʊtfəl/ adj. 怀疑的；不确定的 without doubt 毫无疑问；there is no doubt that... 毫无疑问…… 1. She has no doubt about his ability to finish the work.（她对他完成工作的能力毫不怀疑。）2. There is no doubt that hard work leads to success.（毫无疑问，努力工作会通向成功。） 33 stranger /ˈstreɪndʒə(r)/ n. 外来者，陌生人 (58) 复数：strangers strange /streɪndʒ/ adj. 陌生的；奇怪的 N/A 1. It’s dangerous to talk to strangers on the street.（在大街上和陌生人说话很危险。）2. He felt like a stranger when he first came to this city.（他刚到这座城市时，感觉自己像个外来者。） 34 carry out 开展；执行 N/A N/A carry out 开展；执行 1. The scientists will carry out an experiment next week.（科学家们下周将开展一项实验。）2. We need to carry out the plan as soon as possible.（我们需要尽快执行这个计划。） 35 percentage /pəˈsentɪdʒ/ n. 百分率；百分数 (59) 复数：percentages percent /pəˈsent/ n. 百分之…… N/A 1. What percentage of students in your class like English?（你们班有百分之几的学生喜欢英语？）2. The percentage of people using smartphones is very high now.（现在使用智能手机的人的比例很高。） 36 disadvantage /ˌdɪsədˈvɑːntɪdʒ/ n. 劣势，不利条件 (59) 复数：disadvantages advantage /ədˈvɑːntɪdʒ/ n. 优势；有利条件；disadvantaged /ˌdɪsədˈvɑːntɪdʒd/ adj. 处于不利地位的 N/A 1. Living in a small town has some disadvantages, like few job chances.（住在小镇有一些劣势，比如工作机会少。）2. His shyness is a disadvantage when he talks to others.（他的腼腆在和别人交流时是个劣势。） 37 risk /rɪsk/ n. 风险，危险 (60) 复数：risks；动词形式（v.）：risk /rɪsk/ v. 冒险 risky /ˈrɪski/ adj. 有风险的；危险的 take a risk 冒险；at risk 处于危险中 1. There is a risk of getting lost in the forest.（在森林里有迷路的风险。）2. He took a risk to save the child from the fire.（他冒险从火中救出了那个孩子。） 38 after all 毕竟 N/A N/A after all 毕竟 1. Don’t be too strict with him; he is a child after all.（别对他太严格，他毕竟是个孩子。）2. The plan failed, but after all, we tried our best.（计划失败了，但毕竟我们尽力了。） 39 goods /ɡʊdz/ n. [复]商品，货品 (62) 仅复数形式（无单数） N/A N/A 1. The store sells a lot of goods, such as clothes and food.（这家商店卖很多商品，比如衣服和食品。）2. The workers are loading the goods onto the truck.（工人们正在把商品装上卡车。） 40 electronic /ɪˌlekˈtrɒnɪk/ adj. 电子的 (62) 无比较级/最高级 electricity /ɪˌlekˈtrɪsəti/ n. 电；electron /ɪˈlektrɒn/ n. 电子（初中拓展） electronic devices 电子设备 1. He bought an electronic dictionary to help with his English.（他买了一本电子词典来辅助英语学习。）2. There are many electronic devices in modern homes.（现代家庭中有许多电子设备。） 41 entertainment /ˌentəˈteɪnmənt/ n. 娱乐 不可数名词（无单复数变化）；复数：entertainments（表“各种娱乐活动”时） entertain /ˌentəˈteɪn/ v. 使娱乐；招待；entertaining /ˌentəˈteɪnɪŋ/ adj. 有趣的；娱乐性的 N/A 1. Watching movies is a popular form of entertainment.（看电影是一种受欢迎的娱乐形式。）2. The hotel offers many entertainments for its guests.（这家酒店为客人提供多种娱乐活动。） 学科网（北京）股份有限公司 $