n. 理论(theory的复数形式)
n a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena
n a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
n a belief that can guide behavior

theories的用法和样例:

例句

用作名词(n.)
  1. Let us put his theories to the proof.让我们来检验一下他的理论。
  2. Later research discredited earlier theories.后来的研究推翻了早先的理论。

词汇搭配

  • hedonic theories of motivation动机享乐说
  • fundamentalist theories基本分析理论...
  • disperse theories of suspension preparation混悬剂分散理论...

New Theories on Keeping Slim Looking for my book, that’s what you do when you write a book. I can’t find mine; all I can find are 1)dirty novels, cookbooks and 2)diet books. Year after year cookbo

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Traveling in Time You cannot change the laws of physics ... but could physics actually enable us to travel through time? It might sound crazy, but according to Einstein's theories, there's no logical reason why time travel isn't possible. Time travel

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[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.92]2004 [00:07.64]Many theories concerning the causes of juvenile delinquency [00:11.28](crimes committed by young people) [00:13.29]focus either on the individual or on society [00:16.36]a

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Broadcast: Jan 22, 2003 By Marilyn Christiano VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, Explorations. Today we tell about a scientist who

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In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc

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It takes you certain lime to learn new methods and accept the new theories. 需要花一定时间学习新方法、接受斩理念。 It takes you certain lime to learn new methods and accept the new theories. 需要花一定时间学习新方法、接

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Today I'm going to talk about work. And the question I want to ask and answer is this: Why do we work? Why do we drag ourselves out of bed every morning instead of living our lives just filled with bouncing from one TED-like adventure to another? You

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2. Theories centering on the individual suggest that children engage incriminal behavior because they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through interation with others. 【分析】多重复

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5. The brain finds it best to keep smell receptors available for unfamiliar and emergency signals such as the smell of smoke, which might indicate the danger of fire. 【分析】复合句。句子主干为 The brain finds it best to keep smell recep

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Most women have never heard of the Heidi/Howard study. 大多数女性从未听说过海蒂/霍华德研究, Most of us are never told about this downside of achievement. 我们中的大多数人也从未听说过这项研究的负面结果。 Stil

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Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r

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台湾籍旅美老师今天交给我们的句子是: At this point, you and your competitive cousin have reached what game theorists call a Nash Equilibrium - the point where neither of you can improve your position by deviating from your current s

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Rebecca: So, what do you think are some theories are then about that could lead into helping, you know, prevent crime? Gareth: Well, there's a story that I once read about, and it's the New York Subway, on how there was so much crime on the New York

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EXPLORATIONS – Albert Einstein By Marilyn Christiano Broadcast: Wednesday, February 23, 2005 VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program, E

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WASHINGTON, May 4 (Xinhua) -- The U.S. National Aeronautics and Space Administration (NASA) announced Wednesday that its Gravity Probe B (GP-B) mission has confirmed two key predictions(预测预言 ) derived from Albert Einstein's general theory

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One big advantage you have in China is the long-term approach. In Europe, we have elections every four years and sometimes, you know, a new government comes in, some changes might be announced and in the second year slowly changes are happening, in t

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讲解文本: bunk 床铺,铺位 top bunk 上铺 lower bunk 下铺 I like the lower bunk when I take a train. 坐火车我喜欢下铺。 Tom is sleeping on the top bunk now. Tom现在在上铺睡觉。 疯狂练习吧!

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Australia, meanwhile, has been tilting and sinking. Over the past 100 million years as it has drifted north toward Asia, its leading edge has sunk by some six hundred feet. It appears that Indonesia is very slowly drowning, and dragging Australia dow

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If the axis-tilt theory had been refuted, 倘若地轴倾斜理论被观察否定了 its defenders would have had nowhere to go. 它的支持者们就无路可退了 No easily implemented change could make that tilt 没有什么信手拈来的变动能

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学英语单词
about facing
acoustic output unit
ancillary relief
angle of collimation
animal protection
annect
aporina delafondi
arch-abdomen dam
automatic diesel generating set
bacillus
bathypelagic fauna
blazed grating
bourbon red turkey
breakevens
cabbeling
calibration error
Castelan
chaulmoogrol
cobbling
combining capacity
Corlea
creedy
cullar de baza
data reconciliation
deadhand
deck load certification
dissolved pore
Dormigca
esquire
European thimbleweed
evaders
exchange traded product
executing block
faddity
float grass
format line
frequency multiplier circuit
Gaiaist
give heart to
hydraulic hitch system with unloading function
Hyphochytriomycota
in a word
irreducible algebraic equation
Kocher fracture
Kodisjoki
labial laminae
laser head assembly
lasting machine
least significant byte
libriums
lie in someone's way
line key
local thermal runaway
lone-pairs
Mamabula
Maxwellisation
microstelma japonica
mueshihange
navire
off board price
oil quenching bath
order and confirmation
orthoguarinite
parrot's peach
pastry store
pat down
PHLA
Pleasanton
post-tragus
potassium content
price waterhouse&co.
product assurance
pseudothiourea
Ranunculus oreionannos
re-copper
recovery phase
rootogram
sashless
scheeles
scraper roller
senescence phase
silicon dioxide powder
solid-state study
spelaeologies
staypole
straw ware
synchronized wave
tawz
telecommunications facility provider
theory of pay
time trials
to maintain
transbooster
transmitted pulse envelope
trapezoidal steel box girder
treux
tunica adventitia (vesicul? seminalis)
umbrella convention
unit connection
wind-fallen
wing-control missile
word power