中子平均截面

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(325) / 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(252) / 评论(0) 分类 外贸英语口语

Scientists have long believed that a star explodes when it reaches the end of its life. This explosion is called a supernova. NASA, the American space agency, describes a supernova as the largest explosion that takes place in space. Recently, a team

发表于:2018-12-12 / 阅读(223) / 评论(0) 分类 2017年VOA慢速英语(十一)月

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(223) / 评论(0) 分类 有声英文阅读

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(194) / 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(217) / 评论(0) 分类 电影英文歌曲

China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

发表于:2019-01-07 / 阅读(245) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? The Apollo moon missions ended almost 40 years ago. But for lunar scientists, they're gifts that keep on giving. Researchers studying rocks brought back by ast

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(一)月

面对面的交流就是 face to face,许多人认为这样的沟通效果和电话上或网上联系是不一样的。 例句 I've been in touch with my niece, who was born in South America, for years but we have never met face to face. One way of

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 英语日常口语

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(184) / 评论(0) 分类 2017年NPR美国国家公共电台10月

Hello, I am Melissa Long at the CNN Center here in Atlanta one o'clock in the afternoon Eastern time. And here's a look at what's happening NOW IN THE NEWS. Two hundred people are out of their homes in Cedar Rapids, Iowa after fears that flood water

发表于:2019-01-26 / 阅读(186) / 评论(0) 分类 商业报道2008年(六)月

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

发表于:2019-01-27 / 阅读(209) / 评论(0) 分类 新西兰英语

太荒唐了 It's ridiculous. 亏你还是漂亮女王团的前成员(该团成员的着装偏好白色) Says the former member of the Corn Queen's Court. 求你试试这件吧 Please just try this one on. 好吧 Okay. 反正我现在穿啥 But anyth

发表于:2019-01-28 / 阅读(147) / 评论(0) 分类 生活大爆炸第三季

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

发表于:2019-02-06 / 阅读(194) / 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(185) / 评论(0) 分类 英语新闻

By Phil Mercer Sydney 09 November 2009 Scientists say that along the coast of Western Australia sea levels are rising at a rate double that of the world average. Statistics from Australia's National Tidal Center show sea levels have increased by 8.6

发表于:2019-02-07 / 阅读(153) / 评论(0) 分类 VOA标准英语2009年(十一月)

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(167) / 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(141) / 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(213) / 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(194) / 评论(0) 分类 托福英语
学英语单词
-vi-
a DSL
actual producing layer
Adobe Photoshop Elements
Advaita vada
age-specific fertility rate
anarchizing
angle of site scale
annealed sheet
apicifixed
argenteum
batter's boxes
bead machine
bile speculum
brathly
bunk-board
cancellous bone
capacitance-type strain gauge
Celtic studies
CMTIC
compiled code modelling technique
compulsory service
constant-level balloon
constantinos
Cor Caroli
crushing machanics
crystalon
CS-Prolog
data encryption subroutine
decapitation strike
detention by ice
devolution agreement
different of a simple algebra
ecphory
electrolytic blade-forming machine
end of polling
environment effects
equity funding fraud
Erythropalum
Eugene Luther Vidal
eunotogramma laevis
feed-water flashing
fiber homeomorphism
fnm
fore-post
functional management
fuzzy engineering
ganser
heini
horizontal mergers
impressed torque
intrasexual selection
intumesce
inverse probability
look out procedure
managerial mathematics
Mapudungun
Maragondon
molecular recognition
myelin protein zero
natale
ncoe
never hear of
nidls
non freezing mixture
on its merits
onychodysplasia
Ostwald, FWilhelm
pier band
plastochondria
point-contact rectifier
polysilicic
power-supply monitor
predelineation
quarry plant
railsback
rainbow effect
regulations regarding the recruitment of workers
rippill
root beer
rule out
scattering wave communication
scutching drum
ship by air
shore region
silylium
six-foot
substrate trap
suckie
supplementary task
systolic ejection
taradiddles
Tidboald
trachelomonas bernardii
transverse ligament
tree lupines
truth condition
uer
Vaudremer's tyberculin
vertical deaerator
worm-like
xiphoidal