中子弹性散射

Throughout my 41 years at GE, I’ve had many ups and downs. In the media, I’ve gone from prince to pig and back again. And I’ve been called many things. In the early days, when I worked at our 1)

发表于:2018-11-28 / 阅读(290) / 评论(0) 分类 疯狂英语2002年

A:Mrs Mar,I saw your raising bicycles over there.It really looks smart. B:You said it.They are the new models of our name brand Phynex raising bicycles,a lot lighter than the other ones.A great favourite with the young people abroad. A:How much do t

发表于:2018-12-03 / 阅读(212) / 评论(0) 分类 外贸英语口语

Unit 95 Scientists Look Forward to the Past Can time travel really be done? Physicists think that travel into future is possible. Einstein's special theory of relativity, published in 1905, predicted that time should be elastic, stretching or shrinki

发表于:2018-12-30 / 阅读(113) / 评论(0) 分类 英语流行话题阅读:语境识词4500

A: Is this where I go to register for classes? B: This is it. A: I need to add a few classes. B: What classes would you like to add? A: I need to take some classes that will help me transfer. B: Have you finished any classes so far? A: This is my fir

发表于:2018-12-30 / 阅读(169) / 评论(0) 分类 大学英语对话

A: Do I need to register here? B: Youre in the right place. A: I would like to add some classes. B: What classes do you need? A: I need to take some GE classes. B: What classes have you finished so far? A: I just started here. B: Youre going to need

发表于:2018-12-30 / 阅读(167) / 评论(0) 分类 大学英语对话

A: Is this the registration desk? B: Yes, this is the place. A: I need to get some classes. B: What classes would you like? A: I need to finish my GE classes so that I can transfer. B: Have you finished any of your GE classes yet? A: This is going to

发表于:2018-12-30 / 阅读(175) / 评论(0) 分类 大学英语对话

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(190) / 评论(0) 分类 有声英文阅读

Why Does Plastic Wrap Cling To Itself? What makes kitchen plastic wrap cling so maddeningly to itself, and so conveniently to the sides of bowls and plates? Plastic wrap clings for two reasons: its elastic and its sticky. That probably seems pretty o

发表于:2018-12-31 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

High Inflation Fairs, carnivals, festivals or anywhere you can buy helium-filled balloons, youre sure to see at least one balloon rising into the sky after someone accidentally lets it go off. What happens to the balloon after it rises out of sight?

发表于:2018-12-31 / 阅读(124) / 评论(0) 分类 英语听力文摘 English Digest

Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to choose Then we told each other With no trace of fear that..

发表于:2019-01-03 / 阅读(166) / 评论(0) 分类 电影歌曲

《暮光3:月食》高清主题曲Neutron Star Collision Neutron Star Collision (Love is Forever)---MUSE I was searching You were on a mission Then our hearts combined like A neutron star collision I have nothing left to lose You took your time to c

发表于:2019-01-03 / 阅读(188) / 评论(0) 分类 电影英文歌曲

MARY LOUISE KELLY, HOST: For the first time, scientists have seen the violent collision of two neutron stars. They've watched as heavy elements like gold, platinum and uranium were forged. This cosmic smashup is being hailed as one of the biggest eve

发表于:2019-01-16 / 阅读(152) / 评论(0) 分类 2017年NPR美国国家公共电台10月

In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves. So any time you move a mass it produces a gravitational waveso black holes, like the ones LIGO detected, these are stella

发表于:2019-01-20 / 阅读(159) / 评论(0) 分类 2017年Scientific American(三)月

Going gliding 滑翔 NB: This is not an accurate word-for-word transcript Kate:Hello and welcome to 6 Minute English with me, Kate Colin. In this programme we're going to be talking about gliding. This is when you fly in a light unpowered (无动力的)

发表于:2019-01-20 / 阅读(149) / 评论(0) 分类 六分钟英语

A veryspecializedfeedingadaptation inzooplanktonisthatofthe tadpolelikeappendicularianwholives inawalnut-sized(orsmaller)balloon (10)ofmucusequippedwithfiltersthat captureandconcentratephytoplankton. 浮

发表于:2019-02-06 / 阅读(173) / 评论(0) 分类 英文语法词汇

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(157) / 评论(0) 分类 英语新闻

New Supercomputer Could be World's Fastest Scientists at the Oak Ridge National Laboratory in the U.S. state of Tennessee have unveiled what could be the worlds fastest supercomputer. The new computer, named Titan, is capable of making more than 20,0

发表于:2019-02-07 / 阅读(139) / 评论(0) 分类 英语新闻

Business 商业报道 Motivating workers 激励员工 Ranked and yanked 评级与封杀 Firms that keep grading their staff ruthlessly may not get the best from them. 那些总是无情地把员工分个三六九等的公司或许并不能得到最好的

发表于:2019-02-13 / 阅读(112) / 评论(0) 分类 经济学人商业系列

It looks like a hand of God reaching out into the cosmos, but NASA says the display is caused by a young and powerful pulsar. Taken by NASA's Chandra X-ray observatory from it's orbiting 360 miles above the Earth, the recently released photo of Pulsa

发表于:2019-02-16 / 阅读(190) / 评论(0) 分类 实用英语

托福阅读的文章,都有自己的背景,关于托福阅读背景,有的是移民背景,有的是工业革命背景,而在托福考试中,我的托福阅读背景是经常出现的,这些经常出现的托福阅读背景,就是我们

发表于:2019-02-21 / 阅读(167) / 评论(0) 分类 托福英语
学英语单词
acrostically
actual evictions
adsorbed toxoid
air control pipe
amyl furylacrylate
anaesthetic agents
annellate
approximate reverberation deconvolution (ard)
argueth
balneatory
be prey to
BKC
black-and-white picture tube
boost, buck-
careine
chinkapin oaks
coking
colorous
command key
connellites
core tank
Cornas
corrugated tube
cossetings
counter work
deity
dep't
depth glider
draydl
engine start switch
equivalent nuclei
ethnicizations
ettm
eudicotyledons
feed finger
finite difference operator
fiveshooter
fools' gold
frenemy
friction grip
FVWS
guard box
guard car
half-decade
hamidou
hollyfield
hotsy-totsy
idempotent number
in-core instrumentation system
internal linkage
irrotational vector
iso-butyryl peroxide
jumping trace routine
keel batten
kelloe
kjeld
knee joint girth
laparotome
lead-hammer
leptepania sakaii
leyden (leiden)
measuring and test instruments
memory refresh register
mid band impurity
motor transformer
moving part
mucking out
mudspate
non-contemporary tracks
non-practical
nonbusiness income
nonspeech sound
normal load draught
oversized cargo
paspalum notatums
pectin polygalactur-onase
political ideal
pseudocysts
quadricycle
rapping gear
rate of air circulation
reoxidize
riklis
segmented polymer
shift in demand
shipping port
skew Hermitian scalar product
smokefilled
softener
split-second column wheel jumper
steel structural
steering knuckle tie rod end
STOMIIFORMES
sweep wing aircraft
three-lens
tooth contact
tracking-telemetry and command subsystem
twelve-note row
underlines
upper moraine
variable-wound resistor
video amplifier channel