(of an activity or a problem to be considered) isolated from the context normal to it and in which it can best be understood or assessed（需考慮的活動(dòng)，問(wèn)題）似在真空中；脫離現(xiàn)實(shí)
英語(yǔ)六級(jí)真題
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月閱讀原文
柯林斯高階英漢雙解學(xué)習(xí)詞典釋義
N-COUNT
空位;空缺;空白
If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
例句
The collapse of the army left a vacuum in the area...這支軍隊(duì)的潰敗使這個(gè)地區(qū)出現(xiàn)了軍事真空。His presence should fill the power vacuum which has been developing over the past few days.他的出現(xiàn)將填補(bǔ)過(guò)去這幾天形成的權(quán)力真空。
PHRASE
在封閉狀態(tài)中;與外界隔絕
If something is done in a vacuum, it is not affected by any outside influences or information.
例句
Moral values cannot be taught in a vacuum...道德價(jià)值觀的教育不能脫離實(shí)際。We lived in a vacuum — no life, no news, no books.我們生活在與世隔絕的環(huán)境里——沒(méi)有其他生物，收不到外界消息，也沒(méi)有書看。
VERB
用真空吸塵器打掃
If you vacuum something, you clean it using a vacuum cleaner.
例句
I vacuumed the carpets today...今天我用吸塵器清潔了地毯。It's important to vacuum regularly.定期用吸塵器吸塵很重要。
N-COUNT
真空
A vacuum is a space that contains no air or other gas.
例句
Wind is a current of air caused by a vacuum caused by hot air rising...風(fēng)是由于熱空氣上升產(chǎn)生真空導(dǎo)致的一種氣流運(yùn)動(dòng)。The spinning turbine creates a vacuum.旋轉(zhuǎn)的渦輪形成了一塊真空區(qū)域。
英漢詞典釋義
n.
真空
Sound waves cannot travel through a vacuum.聲波不能在真空中傳播。
〈口〉真空吸塵器
I mean to buy a vacuum next month.下個(gè)月我打算買一臺(tái)真空吸塵器。
空間; 空虛; 空白
His resignation has left a power vacuum at the head of the party.他的辭職使得該黨的領(lǐng)導(dǎo)位置出現(xiàn)了權(quán)力真空。His wife's death left a vacuum in his life.他妻子的去世使他的生活變得空虛。
vt.
用真空吸塵器清掃(某物)
I vaccum the carpet twice every week.我每周用吸塵器打掃地毯兩次。
英英詞典釋義
Noun
1. the absence of matter
2. an empty area or space;
"the huge desert voids""the emptiness of outer space""without their support he'll be ruling in a vacuum"
3. a region empty of matter
4. an electrical home appliance that cleans by suction