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1、英语重点词汇语法详解upgradeIt is vital to upgrade facilities of the city.改善城市设施是至关重要的。【核心词汇】upgrade/ Apgreid / v.to make a computer, machine, or piece of software better and able to do more things使（计算机、机器、软件）升级to improve the condition of a building, etc. in order to provide a better service提高（设施、服务等的）档次，改善，使升
2、格to give someone a moreimportant job提升（某人），给（某人）升职If someone is upgraded, their job or status is changed so that they become more important or receive more money.提升If you upgrade or are upgraded, you change something such as your plane ticket or your hotel room to one that is more expensive.使升舱；使（旅信
3、房间等）升级；升舱；升级【词组搭配】1. upgrade hard drive升级硬盘2. upgrade you to business class为您升级到商务舱3. upgrade skills提高技能4. upgrade from economy to business class从经济舱升到了商务舱5. upgrade computers升级电脑6. upgrade the towns leisure facilities升级改善城市的休闲设施7. upgrade servers升级服务器8. upgrade digital superhighway升级数字高速公路【例句拓展】1.
4、This can help you decide on the hardware you should buy to set up or upgrade your servers.这可以帮助您决定是否应该购买硬件来组装或升级您的服务器。2. As part of this commitment to infrastructure, we needto upgrade our digital superhighway as well.作为基础设施建设承诺的一部分，我们还需要对数字高速公路进行升级。3. We can upgrade you to business class.我们可以为您升级到商
5、务舱。4. He was upgraded to security guard.他被提升为保安。5. His family was upgraded from economy to business class.他的家人从经济舱升到了商务舱。New economic development is in the ascendant.新经济的发展方兴未艾。【核心词汇】be in the ascendantbe or become more powerful or popular（权力、影响等）越来越大，日益受欢迎，处于一种方兴未艾的状态rise in power or influence（力量或影
6、响）日益增长If someone or something is in the ascendant, they have or are getting more power, influence, or popularity than other people or things.优势【词组搭配】1. a political party that7 s in the ascendant一个正在发展壮大的政党2. ascendant natural condition优越的自然条件【例句拓展】1. Radical reformers are once more in the ascendant激
7、进派的改革家们再一次占了上JVo2. We still have the ascendant position in world politics.我们在国际政治中仍占优势地位。3. With the development of world economy and modern science and technology, logistics has been in the ascendant in the global area as a new service industry.随着世界经济的快速发展和现代科技的迅猛发展，物流产业作为国民经 济中的一个新兴服务部门，在全球范围内方兴未艾。