必修4词汇第4课单词卡片_必修4单词卡_必修4在线背单词_必修4单词卡记忆法

1/20 报错

chemical [ˈkemikəl]

释义：: adj. 化学的；关于化学的

例句：: chemical additives in petrol
汽油中的化学添加剂换一句; Chemical weapons are banned internationally.
国际上禁止使用化学武器。换一句; the chemical composition of the soil
土壤的化学成分换一句

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2/20 报错

circulate [ˈsə:kjuleit]

释义：: vt.&vi. 循环；流传

构词：: circ圆,环+ulate=ate表动词→绕圈走→循环

例句：: You will have a chance to circulate and chat informally.
你们会有机会四处走动一下,互相聊聊. 换一句; People who circulate false news are to be blamed.
散布流言者该受遣责. 换一句; Cooking odors can circulate throughout the entire house.
做饭的香味可以传到家里的各个角落。换一句

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3/20 报错

comment [ˈkɔment]

释义：: n. 评论；议论
vi.&vt. 表达意见；作出评论

构词：: com共同+ment思考,神智→共同思考→评论[词性变化:可作动词]

例句：: Buckingham Palace refused to comment.
英国王室拒绝发表评论。换一句; Have you any comment to make about the cause of the disaster?
你对发生灾难的原因有何评论？换一句; The Palace last night refused to comment on the reports.
昨晚王室拒绝对报道作出评论。换一句

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4/20 报错

confuse [kənˈfju:z]

释义：: vt. 使迷惑；使为难

例句：: This is an attempt to confuse form and [ with ] substance.
这是企图把形式同实质混淆. 换一句; People are apt to confuse the two issues.
人们容易把这两个问题混淆起来. 换一句; Don't confuse Austria with [ and ] Australia.
不要把奥地利与澳大利亚弄混淆了. 换一句

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5/20 报错

crop [krɔp]

释义：: n. 庄稼；农作物；产量

例句：: Cowpeas are an important crop in many African countries.
黑眼豆是很多非洲国家的重要作物。换一句; Sugar is an important crop on the island.
糖料作物是这个岛上的一种重要作物。换一句; The staple crop is rice.
主要农作物为水稻。换一句

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6/20 报错

decade [ˈdekeid]

释义：: n. 十年；十年期

例句：: the greatest scientific achievement of the decade
这十年最伟大的科学成就换一句; The number of people employed in agriculture has fallen in the last decade.
过去十年，农业从业人数已经下降。换一句; Two thirds of the region has been deforested in the past decade.
在过去十年里这个地区的森林有三分之二被毁掉。换一句

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7/20 报错

discovery [disˈkʌvəri]

释义：: n. 发现；发觉

构词：: discover发现,发觉+y状态,性质等→n.发现;被发现的事物

例句：: The discovery of distillation is usually accredited to the Arabs of the 11th century.
通常认为，蒸馏法是阿拉伯人在11世纪发明的。换一句; the discovery of antibiotics in the 20th century
20世纪抗生素的发现换一句; The discovery was incidental to their main research.
这一发现是他们主要研究中的附带收获。换一句

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8/20 报错

disturbing

释义：: adj. 引起烦恼的；令人不安的

例句：: a disturbing piece of news
一则令人不安的消息换一句; The rise in violent crime is a disturbing new trend.
暴力犯罪的上升是一种令人担忧的新趋势. 换一句; For fear of disturbing others she spoke with bated breath.
因为怕打扰别人,她低声说话. 换一句

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9/20 报错

equip [iˈkwip]

释义：: vt.&vi. 配备；装备

例句：: Your education will equip you to earn a good living.
你所受的教育会使你过上富裕的生活. 换一句; We equip our children with a good education.
我们使孩子们受到良好的教育. 换一句; Equip yourself with stout walking boots and sticks.
你自己要准备好结实的步行靴和拐杖。换一句

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10/20 报错

expand [iksˈpænd]

释义：: vt.&vi. 使变大；伸展

构词：: ex出,出去+pand扩散→v. 扩张;张开, 发展

例句：: Metals expand when they are heated.
金属受热会膨胀。换一句; Plans to expand the company have had to be quietly shelved.
公司扩充的计划不得不悄悄搁置下来. 换一句; Substances have no tendency to expand unless ( they are ) heated.
除非受热,物质不会有膨胀的倾向. 换一句

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11/20 报错

export [eksˈpɔ:t]

释义：: vt.&vi. 输出；出口

构词：: ex出,出去+port港口→出港口→出口

例句：: The islands export sugar and fruit.
这些岛屿出口糖和水果。换一句; The government has imposed export restraints on some products.
政府对一些产品实行了出口控制。换一句; They export their products to markets throughout the world.
他们把产品出口到世界各地的市场。换一句

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12/20 报错

fertile [ˈfə:tail]

释义：: adj. 肥沃的；富饶的

构词：: fert=fer带来,拿来+ile……的,能……的→能带来粮食→肥沃的

例句：: The treatment has been tested on healthy fertile women under the age of 35.
这个疗法已对35岁以下能生育的健康妇女进行了试验。换一句; The fall of the old regime provided fertile ground for opportunism.
旧政权的垮台为机会主义提供了成熟的时机. 换一句; The land is not fertile enough to repay cultivation.
这块土地不够肥沃,不值得耕种. 换一句

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13/20 报错

fertilizer [ˈfə:tilaizə]

释义：: n. 肥料；化肥

构词：: fertilize[v.使受精;施肥于,使肥沃]+er表名词→n.[fertiliser]肥料

例句：: The organic fertilizer shall keep the soil in good heart.
这有机肥一定会使土壤保持肥沃. 换一句; How much fertilizer should be applied on one mu of land?
一亩地要施多少肥? 换一句; The state allotted them large quantities of chemical fertilizer.
国家给他们调拨了大量化肥. 换一句

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14/20 报错

focus on [ˈfəukəs ɔn]

释义：: 集中于

例句：: We're going to focus on the relationship between freedom and necessity.
我们将集中讨论自由和必要性之间的关系这一问题. 换一句; Today we're going to focus on the question of homeless people.
今天,我们主要讨论无家可归者的问题. 换一句; Students should resist the temptation to focus on exams alone.
学生们应当抵制诱惑，集中精力备考。换一句

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15/20 报错

freedom [ˈfri:dəm]

释义：: n. 自由；自主

构词：: free自由+dom状态或领域→n.自由,自主,免除,特权

例句：: She was not going to give up her hard-won freedom so easily.
她不会这么轻易地放弃得来不易的自由。换一句; an illusory sense of freedom
虚幻的自由感换一句; Latterly his painting has shown a new freedom of expression.
最近，他的绘画展示出一种新的自由表现形式。换一句

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16/20 报错

grain [ɡrein]

释义：: n. 谷物；粮食；颗粒

例句：: The soup was a mash of grain and vegetables.
那是用粮食和蔬菜做成的浓汤。换一句; to introduce a strict import quota on grain
严格限制谷物进口量换一句; a grain of rice
一粒大米换一句

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17/20 报错

hunger [ˈhʌŋɡə]

释义：: n. 饥饿；欲望
vt.&vi. 饥饿

例句：: For many people, alas, hunger is part of everyday life.
唉，对很多人来说，挨饿是家常便饭。换一句; Around fifty people die of hunger every day in the camp.
集中营里每天大约有五十人饿死。换一句; A terrible restlessness that was like to hunger afflicted Martin Eden.
一阵可怕的、跟饥饿差不多的不安情绪折磨着马丁·伊登. 换一句

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18/20 报错

hybrid [ˈhaibrid]

释义：: adj. 混合的；杂种的
n. 杂交种；混血儿

例句：: A mule is a hybrid of a male donkey and a female horse.
骡子是公驴和母马交配而生的杂种动物。换一句; Reviewing courts were among the most active proponents of hybrid rulemaking procedures.
复审法院是最积极的混合型规则制定程序的建议者. 换一句; Indeed, experience with the legislatively imposed hybrid procedures has not been encouraging.
的确, 立法规定的混合型程序的经历并不令人感到鼓舞. 换一句

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19/20 报错

industrial [inˈdʌstriəl]

释义：: adj. 工业的；产业的

构词：: industry工业, 产业+ial……的→industrial

例句：: a charmless industrial town
一座毫无吸引力的工业城镇换一句; the modern industrial world
当今工业世界换一句; industrial development on the periphery of the town
城镇周边地区工业的发展换一句

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20/20 报错

mineral [ˈminərəl]

释义：: n. 矿物；矿石

例句：: A glass of mineral water, please.
请给我来杯矿泉水。换一句; The high quality mineral water has passed the state - level test.
优质矿泉水已通过国家级鉴定. 换一句; Valuable mineral deposits have been found in this region.
在这地区发现有价值的矿床. 换一句

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