[低温] 朗道液氦理论

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(149) / 评论(0) 分类 英语小短文

Lesson 27: [00:03.58]Let's Do an Experiment! [00:07.24]One Experiment,Two Theories [00:11.81]A theory is an idea.A theory predicts what will happen. [00:18.57]An experiment shows what happens. [00:23.25]BRIAN:Did you read about this experiment,Danny?

发表于:2018-12-13 / 阅读(212) / 评论(0) 分类 河北加拿大版初中英语

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(236) / 评论(0) 分类 新东方背诵文选

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(三)月

His dad liked to fly balloons. His dad bought big balloons and filled them with helium. Helium is a gas. It is a gas that makes balloons float into the sky. One day his dad brought home a new balloon. He took it out of the box. He took it outside. He

发表于:2019-01-02 / 阅读(133) / 评论(0) 分类 超级简单英语阅读

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(173) / 评论(0) 分类 健康与经济

Israel says it is extending an olive branch to Syria in a bid to end an escalating war of words. 以色列向叙利亚抛出了橄榄枝,试图结束双方的口水战。 Israeli Prime Minister Benjamin Netanyahu sought to ease tensions with Syria

发表于:2019-01-04 / 阅读(119) / 评论(0) 分类 VOA双语新闻 2010年2月

1. Five people are dead after an unsuccessful emergency landing in Sanford, Florida, setting two houses on fire. The husband of a top NASCAR official and a company pilot are among the dead. An adult and two children who were in their homes were also

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 美联社新闻一分钟2007

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(210) / 评论(0) 分类 英语小短文

AUDIE CORNISH, HOST: And now a moment to remember Martin Landau, who also died this weekend at the age of 89. He was an Oscar-winning actor in his own right and guided younger stars. NPR's Andrew Limbong has more. ANDREW LIMBONG, BYLINE: Movie stars

发表于:2019-01-16 / 阅读(108) / 评论(0) 分类 2017年NPR美国国家公共电台7月

SCOTT SIMON, HOST: Here's an idea for a musical. The end is near. It was just a day for the inhabitants of Bikini Bottom to figure out how to save themselves from a powerful volcano that's about to explode. Who can we count on to come through? Well,

发表于:2019-01-16 / 阅读(109) / 评论(0) 分类 2017年NPR美国国家公共电台12月

His dad liked to fly balloons. His dad bought big balloons and filled them with helium. Helium is a gas. It is a gas that makes balloons float into the sky. One day his dad brought home a new balloon. He took it out of the box. He took it outside. He

发表于:2019-01-24 / 阅读(184) / 评论(0) 分类 英语第1级听力-English Level 1

For a long time the Big Bang theory had one gaping hole that troubled a lot of peoplenamely that it couldn't begin to explain how we got here. Although 98 percent of all the matter that exists was created with the Big Bang, that matter consisted excl

发表于:2019-01-29 / 阅读(102) / 评论(0) 分类 万物简史

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(168) / 评论(0) 分类 托福英语

Let's begin by winding the timeline back 13.7 billion years, to the beginning of time. 让我们把时间往回拨到137亿年前,也就是时间的开始。 Around us, there's nothing. There's not even time or space. 四周是什么也没有,根本

发表于:2019-02-14 / 阅读(116) / 评论(0) 分类 TED演讲教育篇

It's so..you know there are so many bullies,and it goes on so much 现在有很多恃强凌弱者 这种事情经常发生 and you know I think that, you should,especially if you are like a bystander. 我觉得,有些人应该, 特别是如果你就

发表于:2019-02-22 / 阅读(112) / 评论(0) 分类 艾伦脱口秀

GWEN IFILL: Earlier in the day, the Obama administration went to Capitol Hill to make its case to allow government great access to encrypted information. Essentially, the government wants to be able to read certain data that intelligence agencies can

发表于:2019-02-25 / 阅读(118) / 评论(0) 分类 PBS访谈社会系列

Over the lights of sunset and vine We're floating away From the fortune and fame And your lips are mine They're raspberry wine Your body's a map I will follow into the sky Cause what you got Is all that I want It's all that I want And still that's no

发表于:2019-02-26 / 阅读(139) / 评论(0) 分类 美国乡村音乐

EIGHTY-ONE Chapter 20 AS was his wont, Oblonsky did not spend his time idly while in Petersburg. Besides business his sisters divorce and his post it was as usual necessary for him, as he said, to refresh himself in Petersburg after the mustiness of

发表于:2019-03-09 / 阅读(249) / 评论(0) 分类 有声英语文学名著

The Heat Is On 热传递,是热从温度高的物体传到温度低的物体,或者从物体的高温部分传到低温部分的过程。热传递是自然界普遍存在的一种自然现象。只要物体之间或同一物体的不同部分之间

发表于:2019-03-09 / 阅读(163) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a miscarriage of justice
abacterial thrombotic endocarditis
Adams-Stockes syndrome
adenoma of prostata
archetypal image
armored truck
autocontainer
be in a blue funk
blade cutting anlge adjusting range
Borscht circuit
bromoiodism
Bukit Serok
burning-mouth
cannelures
center to center distance between main girder
chemical reprocessing
chickenhouses
Choristida
cipolletti dam
clay bond
Command line argument
communications theory
connector-induced optical conductor loss
contract limit
convulsions
counterpositional
cullable
cyclical group
daine
Davis Pt.
defelice
delocalized-bond model
Dicloxacillinum
dine and wine
disbursement clause
double irish
double-barrels
Eastern Carpathians
enchantingness
eptatretus okinoseanus
excretroy gland
feickert
fertile plants
flaccid bladders
get the right of the stick
glamors
gravimertrical geodesy
helmsman
Iaai
icajine
ichneumonoids
idealistic
indirectly visible area
intersecting axes drive gear
lactobacillus salivarius
larders
lie in the sun
liquid ion exchanger
macrophagelike cell
manganese(ii) valerate
Marprontil
mezzadri
motor driven switch group
mouth to mouth breathing
nariginase
natural boundary condition
Newberry Springs
no-load
Obramycin
open circuit
parallel array processor
payment against documents credit
photovoltaic junction
plate type oil cooler
precordial beat
private branch exchange equipment
progression transmission
proteranthy
prowdly
pseudopurpurin
rascalries
re-growth
Rubus thibetanus
shipping cover
shunt winding
sodium trihydroxozincate
spartiates
spiral loop
stamp crushing
tarapin
threw a punch
Tijuco, R.
time chartered vessel
tosilate
uncustomate
undependable
under attack
Vassivière, L. de
vein quartz
Vitis betulifolia
wind driven turn indicator
zonatum