Unit 4 Space exploration 词汇精讲- 高一下学期英语人教版（2019）必修第三册.docx

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1、高中必修三Unit 4 Space exploration词汇精讲一、launch v.1. Vt.发射（导弹、火箭等）。例如：A test satellitewas launched from Cape Canaveral.一颗实验人造卫星从Cape Canaveral发射升空。2. Vt.开始从事，发起，发动（尤指有组织的活动）。例如：We launched a big advertising campaign to promote our new toothpaste.我们发动了一场声势浩大的广告宣传攻势，旨在推销新型牙膏。3. Vt.把（新书、新产品等）投放市场。例如：The new

2、model will be launched in July.新型号产品将在七月推出。4. Vt.使（船，尤指新船）下水。例如：The new ship was launched today.新船今天下水了。5.launch n.发射；发行；启用；投放市场；汽艇。例如：The satellite had been inactive since its launch two years ago.该卫星自从两年前发射以来一直没起作用。You can never keep a launch as big as ours completely under wraps.像我们这么大规模的新品发布，要绝对

3、保密是不可能的。The country announced its launch of nuclear weapons against the terrorists.该国宣布启用核武器对付恐怖分子。A series of technical foul-ups delayed the launch of the new product.一系列技术问题延误了新产品的投放市场。Well make a trip by launch to White Island.我们将乘汽艇到怀特岛。二、 desiren.1）愿望；欲望；渴望。常见用法如下：a desire to do something./for

4、something.（做）某事的欲望have a desire to do something./for something.渴望做某事/某物have no desire to do something.不想做某事/某物（此时相当于dont want to do something.）例如：A strong desire for being rich drives him crazy.对发财的强烈欲望使他发疯。He is a man who has a desire for power.他是一个对权力有欲望的人。She had no desire to go shopping now.(=Sh

5、e didnt want to go shopping now)她现在不想去买东西。2）想望的人；渴望的事物。例如：When she agreed to marry him, he felt he had achieved his hearts desire.当她答应嫁给他时，他感到终于得到了自己的心上人。2. desireVt.1）渴望；期望；想望（不用于进行时）。常见用法为：desire something.渴望某事desire to do something.渴望做某事desire somebody. to do something.想要某人做某事例如：We all desire hea

6、lth and happiness.我们都渴望健康和幸福。Fewer people desire to live in the north of the country.想住在这个国家北方的人就更少了。My mom desires me to become successful in the near future.我妈妈渴望我在不久的将来取得成功。2）desire意为“要求”，后接宾语从句时，从句的谓语动词通常用“(should)+动词原形”的虚拟语气形式。例如：We desire that she (should) type the letter at once.我们要求她马上把信打出来。

7、三、signaln.&v.1.signalv.发信号；表示；示意，预示。例如：Dont fire until I signal.等我发出信号后再开枪。He signaled to the waiter for the bill.他示意服务员结账。常见搭配有：signal (to) somebody.to do something.示意（指示）某人做某事signal that .预示着；表明例如：The childrens mother signaled them to be quiet.孩子们的妈妈示意他们安静。A flashing light signaled that there was

8、danger ahead.闪烁的灯光表明前方有危险。2.signaln.信号；暗号；预示；（铁路的）信号灯，指示灯。常见搭配有：sendout/give a signal发信号；表明a signal that .表明a/the signal (for somebody.) to do something.某人做某事的信号例如：The meeting gives a signal that we need to pay more attention to our work.本次会议表明我们需要更多地关注工作。The fireworks were a signal that the festiva

9、l had started.烟花表明节日已经开始了。It is a signal for the whole world to be serious about global warming.这表明了全世界要认真对待全球变暖。四、current1. currentadj.只用于名词前现时发生的，当前的，现在的；通用的，流通的，流行的。例如：Your current employer is much better than before.你现在的雇主比以前的好太多了。There are some words that are no longer current.有些已不再通用的词。2. curr

10、entn.（海洋或江河的）水流，潮流，气流；电流；思潮，潮流，趋向。例如：He swam to the shore against a strong current.他逆着急流游向岸边。It is a 15 amp electrical current.这是15安培的电流。Ministers are worried by this current of anti-government feeling.部长们对这股反政府情绪感到担忧。五、result1.as a result结果。例如：He made one big mistake, and, as a result, lost his job

11、.他犯了个大错，结果丢了工作。注意：as a result相当于一个副词，单独做状语，它表示“结果（是）”；这个短语前后的句子常含有因果关系；as a result of相当于一个介词短语，其后跟名词、代词或动名词，表示“由于”。例如：She died as a result of her injuries.她由于受伤而死亡。2.resultin致使，导致。例如：Fifty percent of road accidents result in head injuries.50%的公路交通事故致使头部受伤。3.resultfrom起因。例如：Many hair problems result

12、from what you eat.很多头发问题是由你吃的东西引起的。【辨析】result from与result inresult from的主语表示结果，from后的宾语表示原因；result in的主语表示原因，in后的宾语表示结果。试比较以下两句话：The traffic accident resulted from the drivers carelessness.那场交通事故是由驾驶员的粗心造成的。The drivers carelessness resulted in the traffic accident.驾驶员的粗心导致了交通事故的出现。六、attachv.系；绑；贴；固定

13、；连接；附上。常见用法：1）attach something. (to something.)把固定，把附在（上）。例如：I attach a copy of my notes for your information.我附上笔记一份供你参考。Pleaseattach thecinema ticketto the front of the letter.请把电影票附在信的正面。2）attach (great/little) importance/value/weight to (doing) something.认为（很/没）有重要性/价值/分量；重视某事。注意词组中的“to”为介词，而非不定

14、式符号“to”。例如：I attach great importance to this research.我认为这项研究十分重要。We should attach importance to reading widely.我们应该重视广泛阅读。3）be attached to s b./something.依附于；喜欢/依恋，附属于。例如：Its easy to become attached to the children you work with.你很容易就会喜欢上工作中接触到的孩子。All schools whether independent or attached to universities must be inspected.所有的学校，不管是独立的还是附属于大学的，都必须接受检查。第 5 页 共 5 页