英语动词VACUUM的变化形式
PRESENT
Present
I vacuum
you vacuum
he/she/it vacuums
we vacuum
you vacuum
they vacuum
Present continuous
I am vacuuming
you are vacuuming
he/she/it is vacuuming
we are vacuuming
you are vacuuming
they are vacuuming
Present perfect
I have vacuumed
you have vacuumed
he/she/it has vacuumed
we have vacuumed
you have vacuumed
they have vacuumed
Present perfect continuous
I have been vacuuming
you have been vacuuming
he/she/it has been vacuuming
we have been vacuuming
you have been vacuuming
they have been vacuuming
PAST
Past
I vacuumed
you vacuumed
he/she/it vacuumed
we vacuumed
you vacuumed
they vacuumed
Past continuous
I was vacuuming
you were vacuuming
he/she/it was vacuuming
we were vacuuming
you were vacuuming
they were vacuuming
Past perfect
I had vacuumed
you had vacuumed
he/she/it had vacuumed
we had vacuumed
you had vacuumed
they had vacuumed
Past perfect continuous
I had been vacuuming
you had been vacuuming
he/she/it had been vacuuming
we had been vacuuming
you had been vacuuming
they had been vacuuming
FUTURE
Future
I will vacuum
you will vacuum
he/she/it will vacuum
we will vacuum
you will vacuum
they will vacuum
Future continuous
I will be vacuuming
you will be vacuuming
he/she/it will be vacuuming
we will be vacuuming
you will be vacuuming
they will be vacuuming
Future perfect
I will have vacuumed
you will have vacuumed
he/she/it will have vacuumed
we will have vacuumed
you will have vacuumed
they will have vacuumed
Future perfect continuous
I will have been vacuuming
you will have been vacuuming
he/she/it will have been vacuuming
we will have been vacuuming
you will have been vacuuming
they will have been vacuuming
CONDITIONAL
Conditional
I would vacuum
you would vacuum
he/she/it would vacuum
we would vacuum
you would vacuum
they would vacuum
Conditional continuous
I would be vacuuming
you would be vacuuming
he/she/it would be vacuuming
we would be vacuuming
you would be vacuuming
they would be vacuuming
Conditional perfect
I would have vacuum
you would have vacuum
he/she/it would have vacuum
we would have vacuum
you would have vacuum
they would have vacuum
Conditional perfect continuous
I would have been vacuuming
you would have been vacuuming
he/she/it would have been vacuuming
we would have been vacuuming
you would have been vacuuming
they would have been vacuuming
IMPERATIVE
Imperative
you vacuum
we let´s vacuum
you vacuum
NONFINITE VERB FORMS
Present Participle
vacuuming
«VACUUM»的英语 引用
单词
vacuum的知名引用和例句
There are a lot of ways to be expressive in life, but I wasn't good at some of them. Music, for instance. I was a distinct failure with the cello. Eventually, my parents sold the cello and bought a vacuum cleaner. The sound in our home improved.
Change means movement. Movement means friction. Only in the frictionless vacuum of a nonexistent abstract world can movement or change occur without that abrasive friction of conflict.
Did Google need to make robot cars in order to make Streetview work? Absolutely not. It's the equivalent of saying you need a walking robot in order to push an upright vacuum cleaner. It's gratuitous robotics!
I don't know who will lead us through the '90s, but they must be made to speak to this spiritual vacuum at the heart of American society, this tumor of the soul.
The day I worry about cleaning my house is the day Sears comes out with a riding vacuum cleaner.
If it isn't the sheriff, it's the finance company; I've got more attachments on me than a vacuum cleaner.
Goodness is achieved not in a vacuum, but in the company of other men, attended by love.
I must have something to engross my thoughts, some object in life which will fill this vacuum, and prevent this sad wearing away of the heart.
It has been said that idleness is the parent of mischief, which is very true; but mischief itself is merely an attempt to escape from the dreary vacuum of idleness.
The whole world appears to me like a huge vacuum, a vast empty space, whence nothing desirable, or at least satisfactory, can possibly be derived; and I long daily to die more and more to it; even though I obtain not that comfort from spiritual things which I earnestly desire.
与 «VACUUM»相关的英语书籍
在以下的参考文献中发现
vacuum的用法。与
vacuum相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Vacuum Engineering Calculations, Formulas, and Solved Exercises
This book was written with two main objectives in mind—to summarize and organize the vast material of vacuum technology in sets of useful formulas, and to provide a collection of worked out exercises showing how to use these formulas for ...
Most of the "reviews" target the postmodern infatuation with antinarratives by lampooning their self-indulgence and exploiting their mannerisms.
Allan Greenwood is a world authority in this field; in this book he shows how vacuum arcs and current interruption in vacuum are different from gaseous arcs and interruption in gas circuit breakers, and leads the reader to understand these ...
4
A User's Guide to
Vacuum Technology
In the decade and a half since the publication of the Second Edition of A User?s Guide to Vacuum Technology there have been many important advances in the field, including spinning rotor gauges, dry mechanical pumps, magnetically levitated ...
5
The Quantum
Vacuum: An Introduction to Quantum Electrodynamics
This informative text also provides an introduction based on fundamental vacuum processes to the ideas of relativistic quantum electrodynamics and quantum field theory, including renormalization and Feynman diagrams.
6
Vacuum Sealing Techniques
Useful to scientists, engineers, and graduate students in vacuum technology, this title presents several techniques developed in the early 1960s for the construction of reliable vacuum seals, and provides insights into the design, ...
7
Vacuum Technology: Practical Heat Treating and Brazing
A guide for furnace operators, metallurgists, and plant engineers working with vacuum processing, providing both a broad overview of the field and practical help with details and problems.
8
Vacuum Technology: Practice for Scientific Instruments
Thus, this book serves as reference for everybody using UVH in his scientific equipment.
Nagamitsu Yoshimura,
2007
9
Troubleshooting
Vacuum Systems: Steam Turbine Surface ...
In this much-anticipated volume, one of the most well-respected and prolific process engineers in the world takes on troubleshooting vacuum systems, and especially steam ejectors, an extremely complex and difficult subject that greatly ...
Norman P. Lieberman,
2012
10
Basic
Vacuum Technology, 2nd edition
Basic Vacuum Technology aims to give readers a firm foundation of fundamental knowledge about the subject and the ability to apply it. This book is an introductory text on how to use vacuum techniques.
包含词语«VACUUM»的新条目
找出国内和国际出版社所讨论的内容，以及词语
vacuum在以下新条目的上下文中是如何使用的。
UN urges Lebanon to pick president, end political vacuum
She said the vacuum had hindered the country's ability to tackle growing security, economic and social problems. "It has contributed to political polarization at a ... «Reuters, 五月 15»
NASA Tests 'Warp Drive' In Vacuum, Breaks Laws Of Physics
NASA has quietly, and successfully, tested an electromagnetic (EM) drive in a space-like vacuum. Some are calling the propulsion system a “warp drive” for its ... «The Inquisitr, 五月 15»
Shark Vacuum Cleaners Recalled Due to Shock Hazard
Four models of Shark vacuum cleaners are being recalled due to a shock hazard, the U.S. Consumer Product Safety Commission (CPSC) announced ... «NBC4 Washington, 四月 15»
Robot vacuum tries to eat woman's head
The innocent woman unsuspectingly purchased her robot vacuum to relieve her daily stresses and not have to worry about vacuuming her floors. But instead ... «NEWS.com.au, 二月 15»
Vacuum salesman invited to teen with autism's birthday party moves …
The middle school student turned 14 over the weekend and celebrated his birthday with a party that included close friends, family and a vacuum salesman. «fox2now.com, 一月 15»
Dyson's zero-maintenance Cinetic vacuum sucks -- in the right way
First, vacuums ditched the bag. Now Dyson claims it's perfected the next big evolution of the vacuum cleaner. Nothing inside the new high-end Dyson Cinetic Big ... «Mashable, 一月 15»
Dozens Treated After California Waste Plant Fire
A vacuum truck exploded into flames about 3:45 a.m. at the Santa Clara Waste Water Co., spreading about 1,200 gallons of a mysterious waste chemical mixture ... «NBC Southern California, 十一月 14»
Rush to buy vacuum cleaners boosts UK retail sales in August
A rush to buy powerful vacuum cleaners ahead of a Brussels ban boosted UK retail sales in August, as Britain's housing market revival triggered a record rise in ... «Telegraph.co.uk, 九月 14»
Stephen Hawking: God particle could wipe out the universe
In a preface to a new book, the famed physicist fears the Higgs Boson becoming unstable and causing a "catastrophic vacuum decay." But how likely is that ... «CNET, 九月 14»
James Dyson suggests leaving the EU over vacuum cleaners
A new law banning vacuum cleaners rated above 1,600 watts came into effect on September 1, as part of the European Commission's plans to meet targets on ... «Telegraph.co.uk, 九月 14»