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1 词典释义:
vacuum
时间: 2024-06-10 12:53:42
TEM4CET4

n.真空;空白;空位;空缺;真空般状态;真空区;真空度;

comp.真空的

vt.用真空吸尘器打扫

vi.用真空吸尘器吸尘

双语例句
  • Vacuum cleaners work by suction.

    真空吸尘器靠抽吸除尘。

    《牛津词典》
  • The vacuum has an unpleasant smell.

    这个真空吸尘器有股难闻的气味。

    《柯林斯英汉双解大词典》
  • Exclusion of air creates a vacuum in the bottle.

    瓶子里的空气排除后就产生真空。

    《牛津词典》
  • The vacuum flask has a strong casing, which won't crack or chip.

    这个真空瓶有一个坚固的外壳,不会破裂。

    《柯林斯英汉双解大词典》
  • Wind is a current of air caused by a vacuum caused by hot air rising.

    风是由热空气上升产生真空而引起的空气流动。

    《柯林斯英汉双解大词典》
  • The dust is drawn into the vacuum cleaner.

    灰尘被吸入了真空吸尘器。

  • Now we let the volume expand into the vacuum on the other side.

    现在我们让体积膨胀到另一边的真空中。

  • Before leaving, Mr. Seymour turned off the vacuum cleaner and the water valve.

    在离开之前,西摩先生关掉了真空吸尘器和水阀。

  • It was only when electric motors became advanced that vacuum cleaners became common.

    只有电动机变得先进时,真空吸尘器才会普遍使用。

  • The experiment said the gas didn't increase its temperature when it expanded the vacuum.

    这个实验说明,当气体在向真空膨胀的过程中,其温度没有升高。

  • Instead of flushing, they work like a vacuum cleaner sucking away the astronaut's waste.

    不是冲洗,而是像真空吸尘器一样吸走宇航员的排泄物。

  • The essential condition for the decay of the vacuum is the presence of an intense electric field.

    真空衰变的基本条件是存在强电场。

  • The main reason people pay extra for a Dyson is because it is a vacuum cleaner with a trendy brand.

    人们愿意花更多的钱买戴森是因为它是一个时尚品牌的真空吸尘器。

  • Until recently most astronomers believed that the space between the galaxies in our universe was a near-perfect vacuum.

    直到最近,大多数天文学家都认为我们宇宙中星系之间的空间是近乎完美的真空。

  • Charlie McCreevy, a European commissioner, warned the IASB that it did "not live in a political vacuum" but "in the real word".

    欧盟委员 Charlie McCreevy 警告国际会计准则委员会,称它“不是生活在政治的真空中”,而是“生活在真实的世界中”。

  • When the driver accelerated, the vacuum was insufficient to run the intermittent mode and the wipers would default to high speed.

    当司机加速时,真空不足以运行间歇模式,雨刷将默认为高速。

  • The average density of interstellar material in the vicinity of our Sun is 1,000 to 10,000 times less than the best terrestrial laboratory vacuum.

    在我们的太阳附近,星际物质的平均密度比最好的地球实验室真空还要低1000到10000倍。

  • A nucleus that large cannot be stable, but it might be possible to assemble one next to a vacuum for long enough to observe the decay of the vacuum.

    这么大的原子核不可能是稳定的,但在足够长的时间内,在真空附近组装一个原子核以观察真空的衰变是可能的。

  • Since 2006, in France, an unknown gang of thieves have been emptying supermarket safes, using nothing more than a drill and a modified vacuum cleaner.

    自2006年起,法国有一个不知名的盗窃团伙专门开超市保险箱,所用的工具只有电钻和改造的真空吸尘器。

  • The cordless, hand-held tools we use in our homes, such as vacuum cleaners, flashlights, drills and saws came from the technology of these early space programs.

    我们家中所使用的无线手提工具,比如真空吸尘器、手电筒、钻头和锯,都来自于早期太空项目里的技术。

  • It's important to vacuum regularly.

    定期用吸尘器清洁是很重要的。

    《柯林斯英汉双解大词典》
  • Moral values cannot be taught in a vacuum.

    道德价值观不能在与世隔绝的状态中进行传授。

    《柯林斯英汉双解大词典》
  • He could hear the whir of a vacuum cleaner.

    他能听到吸尘器的嗡嗡声。

    《柯林斯英汉双解大词典》
  • This kind of decision cannot ever be made in a vacuum.

    这种决定绝不能脱离实际。

    《牛津词典》
  • His resignation has created a vacuum which cannot easily be filled.

    他的引退造成了难以填补的空白。

    《牛津词典》
  • His presence should fill the power vacuum that has been developing over the past few days.

    他的出现应该能填补过去几天中形成的权力空缺。

    《柯林斯英汉双解大词典》
  • He could also learn to use the vacuum cleaner, the washing machine and other household appliances.

    他还能学习使用吸尘器、洗衣机和其他家用电器。

    《柯林斯英汉双解大词典》
  • The latest Japanese vacuum cleaners contain sensors that detect the amount of dust and type of floor.

    日本最新款吸尘器装有传感器,能测出灰尘量和地板类型。

    《柯林斯英汉双解大词典》
  • It pumps water out of tiny bag-like bladders, making a vacuum inside.

    它把水从像袋子一样的囊状物里抽出来,使囊状物的内部形成真空状态。

  • The Soviet scientist made his experiments with a bad light, on wooden tables, using an old vacuum cleaner instead of a compressor.

    这位苏联科学家在木桌上,借着糟糕的灯光做实验,用的是旧吸尘器而不是压缩机。

短语搭配
  • vacuum pump

    [机]真空泵

  • in a vacuum

    似在真空中

  • high vacuum

    高度真空,高真空

  • vacuum distillation

    真空蒸馏

  • vacuum cleaner

    吸尘器;真空吸尘器;真空清洁器

  • vacuum system

    真空系统

近义词
n. 真空;空间;真空吸尘器
词根词缀
vacu-

vacu-

同前缀词

-um

名词词尾

-um

  • forumn. 论坛;讨论会;法院;法庭;用于公开审判等事的广场;网络论坛
  • museumn. 博物馆;博物院
  • mausoleumn. 陵墓
  • dictumn. 正式声明;权威意见;格言;箴言
  • heliumn. 氦
  • mediumn. 媒介;途径;方法;手段;媒质;媒介物;传导体;溶剂;灵媒;巫师;招魂者;中等;中间;中庸;存储媒介
  • asylumn. 政治避难;精神病院;收容所;避难所
考纲分布

12年出现 0

重要程度
  • 0%

    n 真空; 空白; 清洁; 清扫

  • 0%

    v 用吸尘器清扫

考纲释义
  • n. 真空; 空白; 清洁; 清扫

  • v. 用吸尘器清扫

词根词缀
vacu-

vacu-

同前缀词

-um

名词词尾

-um

  • forumn. 论坛;讨论会;法院;法庭;用于公开审判等事的广场;网络论坛
  • museumn. 博物馆;博物院
  • mausoleumn. 陵墓
  • dictumn. 正式声明;权威意见;格言;箴言
  • heliumn. 氦
  • mediumn. 媒介;途径;方法;手段;媒质;媒介物;传导体;溶剂;灵媒;巫师;招魂者;中等;中间;中庸;存储媒介
  • asylumn. 政治避难;精神病院;收容所;避难所
考纲分布

12年出现 4

重要程度
  • 100%

    n 真空

考纲释义
  • n. 真空

    英文释义:

    a space empty of matter

    真题例句:

    • Researchers can study the garbage left on the moon to see how its materials weathered the radiation and vacuum of space overtime.

      研究人员可以研究留在月球上的垃圾,看看它的材料是如何经受住太空辐射和真空考验的。

      [2018年 CET4 听力]
    • Study the effect of radiation and vacuum on its materials.

      研究辐射和真空对其材料的影响。

      [2018年 CET4 听力]
    • The cordless, such as vacuum cleaners, flashlights, drills and saws came from the technology of these early space programs.

      像真空吸尘器、手电筒、电钻和电锯这样的无绳设备就来自于这些早期太空计划的技术。

      [2017年 CET4 听力]
词根词缀
vacu-

vacu-

同前缀词

-um

名词词尾

-um

  • forumn. 论坛;讨论会;法院;法庭;用于公开审判等事的广场;网络论坛
  • museumn. 博物馆;博物院
  • mausoleumn. 陵墓
  • dictumn. 正式声明;权威意见;格言;箴言
  • heliumn. 氦
  • mediumn. 媒介;途径;方法;手段;媒质;媒介物;传导体;溶剂;灵媒;巫师;招魂者;中等;中间;中庸;存储媒介
  • asylumn. 政治避难;精神病院;收容所;避难所
真题例句
  • Researchers can study the garbage left on the moon to see how its materials weathered the radiation and vacuum of space over time.

    2018年12月四级真题(第二套)听力 Section C
  • The cordless, hand-held tools we use in our homes, such as vacuum cleaners, flashlights, drills and saws came from the technology of these early space programs.

    2017年12月四级真题(第二套)听力 Section C
考纲分布

12年出现 3

重要程度
  • 67%

    n 真空

  • 33%

    n/v 真空吸尘器; 用吸尘器打扫

考纲释义
  • n. 真空

    英文释义:

    a space empty of matter

  • n/v. 真空吸尘器; 用吸尘器打扫

词根词缀
vacu-

vacu-

同前缀词

-um

名词词尾

-um

  • forumn. 论坛;讨论会;法院;法庭;用于公开审判等事的广场;网络论坛
  • museumn. 博物馆;博物院
  • mausoleumn. 陵墓
  • dictumn. 正式声明;权威意见;格言;箴言
  • heliumn. 氦
  • mediumn. 媒介;途径;方法;手段;媒质;媒介物;传导体;溶剂;灵媒;巫师;招魂者;中等;中间;中庸;存储媒介
  • asylumn. 政治避难;精神病院;收容所;避难所
真题例句
  • Surgeons may survive the robot invasion, but others at the hospital might not be so lucky, as iRobot, maker of the Roomba, a robot vacuum cleaner, has been showing off Ava, which could be used as a messenger in a hospital.

    出自-2012年12月阅读原文
考纲分布

18年出现 0

重要程度
  • 0%

    cn 真空; 真空吸尘器

考纲释义
  • cn. 真空; 真空吸尘器

词根词缀
vacu-

vacu-

同前缀词

-um

名词词尾

-um

  • forumn. 论坛;讨论会;法院;法庭;用于公开审判等事的广场;网络论坛
  • museumn. 博物馆;博物院
  • mausoleumn. 陵墓
  • dictumn. 正式声明;权威意见;格言;箴言
  • heliumn. 氦
  • mediumn. 媒介;途径;方法;手段;媒质;媒介物;传导体;溶剂;灵媒;巫师;招魂者;中等;中间;中庸;存储媒介
  • asylumn. 政治避难;精神病院;收容所;避难所
真题例句
  • Charlie McCreevy, a European commissioner, warned the IASB that it did “not live in a political vacuum” but “in the real word” and that Europe could yet develop different rules.

    出自-2010年考研阅读原文
  • Charlie McCreevy, a European commissioner, warned the IASB that it did \not live in a political vacuum\ but \in the real world\ and that Europe could yet develop different rules.

    2010年考研真题(英语一)阅读理解 Section Ⅱ
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