时间学说

NO BOUNDARIES Imagine this: you are twenty-one years old and a promising graduate student at one of the top universities in the world. One day, your doctor tells you that you have an incurable disease and may not have more than twelve months to live

发表于:2018-12-04 / 阅读(54) / 评论(0) 分类 人教高中英语高二

unit05 The Theory of Cosmetic Relativity 化妆品相对论 I am the kind of person who likes to be on time for things. I like to be early. Lets say I need to catch a flight leaving at 4pm. In planning my drive to the airport, I will factor in a cush

发表于:2018-12-07 / 阅读(56) / 评论(0) 分类 午后咖啡

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

发表于:2018-12-07 / 阅读(88) / 评论(0) 分类 VOA2003(上)-科技导航

[00:00.00]Getting to Know the World Outside the Camp [00:03.79]Nowadays,college students in growing numbers are seen waiting on tables ,clerking in stores,advertising in streets,teaching in families and doing whatever work they can fin [00:17.74]Why

发表于:2018-12-30 / 阅读(58) / 评论(0) 分类 英语六级听力练习集锦

Black Holes What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientist

发表于:2018-12-31 / 阅读(126) / 评论(0) 分类 有声英文阅读

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(107) / 评论(0) 分类 2007年VOA标准英语(八月)

It was supposed to be the greatest science experiment ever, and it's certainly the most expensive. The large hadron collider designed to recreate the Big Bang theory with colliding particles has so far cost nearly 10 billion dollars and counting. Sci

发表于:2019-01-07 / 阅读(81) / 评论(0) 分类 cnn2009年(十一)月

Albert Einstein was a German-born physicist, although most people probably know him as the most intelligent person who ever lived. His name has become part of many languages when we want to say someone is a genius, as in the phrase, Shes a real Einst

发表于:2019-01-11 / 阅读(74) / 评论(0) 分类 世界名人简介

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Doug Johnson. November twenty-fourth marked the one hundred fiftieth anniversary of one of the most influential books ever written. Naturalist Charles

发表于:2019-01-11 / 阅读(188) / 评论(0) 分类 VOA慢速英语2009年(十二)月

Do You Think You Can? 你认为你可以吗? From VOA Learning English, this is the Health Lifestyle report. Willpower is a mysterious force that helps us to control our actions and achieve our goals. We also call willpower determination, drive and

发表于:2019-01-12 / 阅读(162) / 评论(0) 分类 2016年VOA慢速英语(二)月

Pareto's Principle - The 80-20 Rule How the 80/20 rule can help you be more effective. In 1906, Italian economist Vilfredo Pareto created a mathematical formula to describe the unequal distribution of

发表于:2019-01-21 / 阅读(117) / 评论(0) 分类 实用英语

JUDY WOODRUFF: But, first, this week marks the 100th anniversary of the publication of Albert Einstein's greatest work, a series of papers laying out the general theory of relativity. Gwen has a look at how it changed our understanding of the cosmos

发表于:2019-01-27 / 阅读(61) / 评论(0) 分类 PBS访谈教育系列

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

发表于:2019-01-28 / 阅读(91) / 评论(0) 分类 Explorations

The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43secon

发表于:2019-01-29 / 阅读(73) / 评论(0) 分类 万物简史

Shortly after Copernicus, in the 1580s, an Italian friar, Giordano Bruno, 哥白尼死后不久,在十六世纪80年代,意大利修道士焦尔达诺布鲁诺提出, suggested the stars were suns that likely had their own planets and that the

发表于:2019-02-13 / 阅读(73) / 评论(0) 分类 TED演讲教育篇

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(77) / 评论(0) 分类 环球英语 Spotlight

Carol Ann Susi, actress on 'The Big Bang Theory,' dies at 62. 《生活大爆炸》霍华德妈妈扮演者去世。 Actress Carol Ann Susi, best known for her recurring role as Mrs. Wolowitz on CBS The Big Bang Theory, has died, her agent, Pam Ellis

发表于:2019-02-16 / 阅读(56) / 评论(0) 分类 英语新闻

【原文】 Black HolesWhat is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region

发表于:2019-02-16 / 阅读(51) / 评论(0) 分类 英语听力广播—Listening

There was also the problem, demonstrated by Rutherford and Soddy early in the century, that Earthly elements hold huge reserves of heatmuch too much to allow for the sort of cooling and shrinking Suess suggested. And anyway, if Suess's theory was cor

发表于:2019-02-25 / 阅读(88) / 评论(0) 分类 万物简史

Useful tips: (suitable for all questions)l Make it NATURAL, pauses, such as well, urn, and you know, are advisable, but don't do it too much。 l CORRECT your mistakes as soon as you find out, for example, ... I really like standing in, I mean, ON th

发表于:2019-03-12 / 阅读(130) / 评论(0) 分类 托福英语
学英语单词
air contaminant
arteriae facialis
Attapeu
ballast arrival condition
bastard reed
be sick with worry
buckerels
buttress weir
Cabangan
calcography
canstick
Cantani's serum
Carduelis cucullata
child pornographies
chinese veterinary medicine
collodion lacquer
color addition
command line operating system
contact carcinoma
country of consignment
dawdon
dehmer
delivery of the property
discount on exchange
drawbar
drawthread
Dunure
electrothermal process
enzyme resin
equianharmonic curve
ESOPs
ethanal acid
first polocyte
fly-press
fruitarian
glunase
hardware interrupt facilities
Harrod growth model
he who pays the piper calls the tune.
HIF
Hilary,Saint
if it weren't for...
infinite lag smoothing filter
Ivashka
kicked over
lamier
lay plans
lemon-flavored
ljudevit
load barrow
lymphomatosis granulosa
macrofaunal
microcolonies
modular two addition
molecular formular
oil extraction plant
parauterine organ
pasta picis carbonis
photo-thermo-elasticity
phytolaccinic acid
podophthalmites
potassium N-hydroxymethyl-N-methyldithiocarbamate
pre-developments
precisely
pridmore
propeller airplane
protocol function
radio aeronavigation
recruitment frequency
recurrence caused by dietary irregularity
repayment period of investment
resale of concessions
return beam
RTE
scree vegetation
sectionalized single-bus configuration
sedentariae
sift-proof bin
single-factors
space food management
space-charge mode
split knob
stereomeride
stowage of container
strip mining development
sumas
support functions
testicular sarcoma
theuniss
thrombotic gangrene
transmitter automatic controller
triacanthin
ultraviolet stabilization
unlawful activities
urology in childhood
venkes
vibrational resonant disk
warstle
watching out
where is it
written resignation
YMAK