[化] 游离基理论

23.Theory and Practice When talking about the importance of theory and practice,some people think theory is rather empty and abstract,so we should try to pratice a lot to obtain our goals;while others maintain that practice is rather too blind and wh

发表于:2018-11-28 / 阅读(280) / 评论(0) 分类 疯狂英语易背作文

生活半对半[The 50-Percent Theory of Life] I believe in the 50-percent theory. Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing. It takes time and experience to understand what normal

发表于:2018-11-30 / 阅读(250) / 评论(0) 分类 王强英语美文

The Aldens followed the bike path through North Ridge Park on their way home from Cals house. The trees sheltered them from the wind, so it was easier pedaling here. The bike path became a narrow dirt trail through the thickest part of the woods and

发表于:2018-12-06 / 阅读(179) / 评论(0) 分类 113 The Box That Watch Found

27. Scientific Theories 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 produced. A good example of thi

发表于:2018-12-08 / 阅读(442) / 评论(0) 分类 新概念优美背诵短文50篇

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(283) / 评论(0) 分类 新东方背诵文选

We've discovered that Vitamin C kills MT cells. TB research William Jacob, with the Albert Einstein College of Medicine in the Bronx. And in fact it works not only on the multidrug-resistent strains but totally drug-resistent strains as well. Jacobs

发表于:2018-12-24 / 阅读(115) / 评论(0) 分类 Scientific American(五)月

Why Fruit and Vegetables Are the Tops for Good Health? They used to say an apple a day keeps the doctor away. And according to the Department of Health, years of research shows that eating fruit and v

发表于:2018-12-30 / 阅读(154) / 评论(0) 分类 英语沙龙2004全年合辑下

Exercise is good for you. Antioxidants are good for you. But put them together and its not as good as youd think. Because a recent study shows that some vitamins block the beneficial effects of exercise. A good workout not only gets your heart pumpi

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 60秒科学

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 健康与经济

Global View - Big Bang Theory (C0094) A: Whats up? You dont look too good. B: Yeah, my head hurts, thats all. Ive been in physics class all day. Its killer! A: I liked physics. Its all math, really; arcs, curves,velocity, cool stuff. B: Yeah, yeah, b

发表于:2019-01-07 / 阅读(199) / 评论(0) 分类 纯正地道美语

By Jessica Berman Washington 03 August 2007 There's a period in the development of toddlers when they seem to learn a new word every day. There are different theories about why young children undergo what experts call a word spurt. But one psychologi

发表于:2019-01-07 / 阅读(179) / 评论(0) 分类 2007年VOA标准英语(八月)

Youve no doubt heard of free radicals, those nasty chemicals that seem to contribute to heart disease, cancer and all sorts of human ailments. Maybe you even take antioxidant vitamins to help get rid of these unwanted toxins. Well, maybe you shouldnt

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 Scientific American(十)月

'Terrorists in Love' Examines Islamic Radicals How does a young man transform from a law-abiding middle-class citizen into a terrorist? Ken Ballen, a former federal prosecutor, spent five years trying to find answers to that question. The result is a

发表于:2019-01-13 / 阅读(155) / 评论(0) 分类 VOA标准英语2011年(十一月)

Islamist Radicals React Online to Boston Attacks The bombings at the Boston Marathon not only caught U.S. intelligence services by surprise; on Jihadist websites, debate has raged over the motivations and implications, according to Shiraz Maher of th

发表于:2019-01-14 / 阅读(110) / 评论(0) 分类 VOA标准英语2013年(五月)

Antioxidants-Diabetes Connection In a study in the journal Cell Metabolism, some mice given antioxidants were more likely to become diabetic, because free radicals help muscle cells respond to insulin. Karen Hopkin reports. Youve no doubt heard of fr

发表于:2019-01-30 / 阅读(183) / 评论(0) 分类 60秒科学

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Imagine a family with three children.

发表于:2019-02-14 / 阅读(192) / 评论(0) 分类 环球英语 Spotlight

I was just listening to a Swiss podcast about health. The presenters were talking about free radicals and how to fight them. They first of all listed all the situations in life that cause free radicals to be produced in our bodies: emotional and phys

发表于:2019-02-17 / 阅读(238) / 评论(0) 分类 英语博客 A cup of English

美剧《生活大爆炸》搞笑主题曲:Big Bang Theory Artist:Barenaked Ladies Song:Big Bang Theory Our whole universe was in a hot dense state, 宇宙一度又烫又稠密 Then nearly fourteen billion years ago expansion started. Wait... 140亿年

发表于:2019-02-20 / 阅读(173) / 评论(0) 分类 流行英文歌曲

Pre-Listening Vocabulary blemish: an imperfection; a small flaw fade: to become less bright reincarnation: the belief that living beings die and then are reborn in a new form spear: a long sharp weapon that punctures the skin The Birthmark Theory Bir

发表于:2019-02-27 / 阅读(217) / 评论(0) 分类 趣谈英语

我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就

发表于:2019-03-02 / 阅读(193) / 评论(0) 分类 OMG美语
学英语单词
a spring chicken
acid-forming group
all-area
altitude decay
aquatic vascular bundle plant
arteriae nutricia femoris inferior
astilbe macroflora
aviation turbine fuel (atf)
better than none
board over
bought-out finished item
break electrification
brief abstract
building out network
chabourneite
chelyabinskite
Chinipas
Clotride
collapsible winder
conviction rate
crash-and-burn
crisps
cryptographal
CSBS
current money delivery
cypermethrin
diarthrodial
Dirichlet integral
duodenal papilla
dynamic hold-up of column
eena
efficiency of free energy capture
electrical support module
elephant-jokes
energy gain
Europeanised
evaporation hook ga(u)ge
ever since
eye opener
facial depression
faintishness
fasting matabolism
franciscanas
fuel element handling device
fundamental color
glutenins
Guyanas
hallooes
high-oblique photography
Hobartians
home equity loans
humectator
impact-type drill machine
inboard motor
Isibaki
Laguna Indian Reservation
lateral rigidity
lenguas
Lismanovy
Little Thumb
loup-cerviers
Mednyy, Ostrov
nonresealable
nonuion
obbligatos
originant
otomats
palestine liberation fronts
persolve
Phlebotomus mongolensis
polar air mass
posteroinferior lobule
power average
pre-lightener
privacy channel
probability theory
Qaqortoq
re-boil
remelting refining
retroperistaltic
rinaldo
satcom (satellite communications)
screwpropeller
sea-gulls
senown
Sibiraea laevigata
silicon bidirection switch
situation ethics
sprang to his feet
steam-jet stoker
switchblade
system technology
ten-position path group selector
Thera
thoroughgoingly
Tuahine Pt.
two-sided condition
unit ventilator
water jetting at high pressure
wire-fu
Zamuro, Pta.