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[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(320) / 评论(0) 分类 历年考研英语阅读理解

I'm sure that, throughout the hundred-thousand-odd years of our species' existence, and even before, 我十分确信在人类诞生以来的大概10万多年,甚至比这更长的时间里 our ancestors looked up at the night sky, and wondered what

发表于:2018-12-05 / 阅读(69) / 评论(0) 分类 TED演讲国际问题篇

As they grow bigger and bigger, 随着体积越来越大 they start to spin and throw out a disk of debris 它们开始旋转,甩出的碎屑形成盘状 that will coalesce to form a solar system. 在日后融合形成太阳系 This kind of process

发表于:2018-12-07 / 阅读(113) / 评论(0) 分类 太阳科普

OK, one more thing, if I can even get more bizarre. 另外还有一件事是更难以想象的 Since virtually all the mass of an atom is in the nucleus 既然事实是原子的全部质量集中在原子核, now, there is some amount of mass in th

发表于:2018-12-08 / 阅读(85) / 评论(0) 分类 TED演讲教育篇

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(89) / 评论(0) 分类 英语小短文

Information Overload By Robert S. Boyd Knight Ridder Newspapers. Distributed by Tribune Media Services International. Are you overwhelmed by the amount of information these days? 1 Ever feel overwhelm

发表于:2018-12-19 / 阅读(90) / 评论(0) 分类 彭蒙惠英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(九)月

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an

发表于:2018-12-27 / 阅读(58) / 评论(0) 分类 英语听力广播—Listening

Science and Technolgy. 科技。 Modern alchemy. 现代炼金术。 Turning a line. 进入新的一行。 The race to extend the periodic table continues. 扩展元素周期表的比赛仍在继续。 ONE of the first inklings that chemistry has an u

发表于:2018-12-31 / 阅读(109) / 评论(0) 分类 经济学人科技系列

Rob: Hello! Im Rob and this is 6 Minute English. Im joined today byAlice. Hello Alice. Alice: Hi Rob. Rob: Today, were talking about alien life form and who on planet earth wouldaliens speak to if they one day made contact? Alice: Alien life form. Th

发表于:2019-01-07 / 阅读(229) / 评论(0) 分类 六分钟英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(八)月

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(124) / 评论(0) 分类 英语小短文

Science and Technology Stress and ageing A question of attitude 科技 压力和老化 一个态度问题 The link between chronic stress and a marker of old age is being disentangled 科学家发现了长期压力与一个衰老标志间的联系 TE

发表于:2019-01-26 / 阅读(78) / 评论(0) 分类 经济学人科技系列

Juninho reveals contact with Chelsea's Malouda about Brazil move RIO DE JANEIRO, Oct. 22 (Xinhua) -- Former Brazil international midfielder Juninho has revealed that he has spoken to Chelsea's Florent Malouda in a bid to bring the midfielder to Vasco

发表于:2019-01-31 / 阅读(123) / 评论(0) 分类 英语新闻

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(106) / 评论(0) 分类 托福英语

Anyway, getting sick is a sensible response to infection. 生病正是对感染的一种能感觉到的反应。 Sick people retire to their beds and thus are less of a threat to the wider community. 病人躺在病床上,因此减少了对更多人的

发表于:2019-02-17 / 阅读(45) / 评论(0) 分类 万物简史

Particles can come into being and be gone again in as little as 0.000000000000000000000001 second (10-24). Even the most sluggish of unstable particles hang around for no more than 0.0000001 second (10-7). 粒子可以在短达0.000 000 000 000 000 0

发表于:2019-02-17 / 阅读(62) / 评论(0) 分类 万物简史

CERN, the European Organization for Nuclear Research, is like a little city. Straddling the border of France and Switzerland, it employs three thousand people and occupies a site that is measured in square miles. CERN boasts a string of magnets that

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 万物简史

Meanwhile the tireless Rutherford, now back at Cambridge as J. J. Thomson's successor as head of the Cavendish Laboratory, came up with a model that explained why the nuclei didn't blow up. He saw that they must be offset by some type of neutralizing

发表于:2019-02-17 / 阅读(83) / 评论(0) 分类 万物简史

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:2019-02-25 / 阅读(68) / 评论(0) 分类 双语有声阅读
学英语单词
A. C. A.
academic records
acidophil cell
african-looking
agree about
alabaman
all-in contract
assay period
ATCRBS
average-cost pricing
back-up control data set
benefit of water project
Beware of a silent dog and still water.
box jig
bummalo
cast iron apron
cocksuckas
commercial power production
communication cable
consumated
cross lubricating pump
cyanescent
cycle shift operation
data granule
development of
digital to analog converter
discrimination in railway rate
disorient
drip-irrigation
earned rate
electrically regenerative fuel cell
elementary errors
elf owls
end-point
european blackberry
expository statute
extragalactic radio astronomy
faraker
forshut
four-layer device
germinal tube
global marketing
God bless his heart !
guidance missdistance
half heartedness
heading group
high-utility
hydronautics of sailing
impostumes
in mild disposition
international DX
joint efficient estimate
kairdin
labour concentrated industry
lichen cover
limbic
manganese(iv) hydroxide
notched joint
Operationally efficient market
optical evaluation facility
osteocartilaginous exostosis
over-indulging
paint something out
palters
pattern path
pharaonite (magnesium-rich davyne)
phase in
pneumatic pulsator
polarity subchron
positive form
positivistic research
pouchfuls
pre-equalization
pull a
pythium acanthicum
quick attachable coupling
quinio
S 3, S.
screw bushing
self trapping
sensorily
setting switch
shadow mark
shangri la
sight head
sniperscope
soft-wheat
somaticovisceral
static discharge
sycidiales
take someone's temperature
timing light
town councillor
tuts
tyrran
Ugrians
under-insure
venology
water-laid deposit
water-sealing
weighing treadle