想事故;假设事故

Sally and her husband, Jack, have both been driving for three years. Jack has always driven very carefully. He has never been in an accident. Sally, however, has never been a good driver. She has alre

发表于:2018-12-08 / 阅读(358) / 评论(0) 分类 赖世雄初级美国英语

Unknown to them, just thirty miles away at Princeton University, a team of scientists led by Robert Dicke was working on how to find the very thing they were trying so diligently to get rid of. The Princeton researchers were pursuing an idea that had

发表于:2019-01-01 / 阅读(78) / 评论(0) 分类 万物简史

He became rather technical; spoke of the abnormal endocrine co-ordination which made men grow so slowly; postulated a germinal mutation to account for it. 他相当专门化地谈起了使人生长迟缓的内分泌失调问题,并提出萌芽期突变

发表于:2019-01-01 / 阅读(81) / 评论(0) 分类 美丽新世界

The only problem unconsciously assumed by all Chinese philosophers to be of any importance is: How shall we enjoy life, and who can best enjoy life? No perfectionism, no straining after the unattainable, no postulating of he unknowable; but taking po

发表于:2019-01-02 / 阅读(128) / 评论(0) 分类 精美英文欣赏

Smaller Fingers Mean More Sensitive Fingertips A study in the Journal of Neuroscience finds that people with smaller fingers have more sensitive fingertips, probably due to a higher concentration of touch receptors in a given area. Cynthia Graber rep

发表于:2019-01-02 / 阅读(149) / 评论(0) 分类 60秒科学

City Code - Some foreign countries require you to dial a city code before the phone number you are trying to reach. Clamp - A circuit that removes the energy dispersal signal component from the video

发表于:2019-01-03 / 阅读(96) / 评论(0) 分类 电信英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin

发表于:2019-01-08 / 阅读(132) / 评论(0) 分类 Scientific American(十)月

If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(十)月

This is scientific Americans, 60 second science, I'm Sarah Fecht. Got a minute Thats not a bird whistling. This sound was recorded 2000 feet below the oceans surface. Scientists postulated decades ago that deep-sea animals might use sound to navigate

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(二)月

Pain and Weather Fail to Connect Are you one of those people who can tell when a storm is approaching based on your achy knees? Well, you may think you are. But a new study of more than 1.5 million seniors finds no relationship between rainfall and d

发表于:2019-01-20 / 阅读(111) / 评论(0) 分类 2018年科学美国人1月

Todd: So Jonathan, I thought we would talk about UFOs. Jonathan: Sure. Todd: So do you believe in UFOs? Jonathan: I think that the chance that there is intelligent life in the universe is overwhelmingly likely. But I don't think they're constantly vi

发表于:2019-01-20 / 阅读(124) / 评论(0) 分类 原版英语对话1000个

Todd: So Jonathan, I thought we would talk about UFOs. Jonathan: Sure. Todd: So do you believe in UFOs? Jonathan: I think that the chance that there is intelligent life in the universe is overwhelmingly likely. But I don't think they're constantly vi

发表于:2019-01-25 / 阅读(107) / 评论(0) 分类 英语趣味课堂

Tombaugh had no formal training as an astronomer, but he was diligent and he was astute, and after a year's patient searching he somehow spotted Pluto, a faint point of light in a glittery firmament. 汤博没有受过成为天文学家的专门训练,

发表于:2019-01-29 / 阅读(78) / 评论(0) 分类 万物简史

Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy

发表于:2019-01-30 / 阅读(154) / 评论(0) 分类 60秒科学

There's the sad story of the poor guy who was in a terrible motorcycle accident. When he came out from under the anesthetic(麻药), the doctor was leaning over him anxiously. Son, he said, I've got some good news and some bad news. The bad news is

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 趣味英语

Breaking Bad Habits in 28 Days I was watching The Big C on Showtime the other night, and one of the characters mentioned off-hand that it takes 28 days to break a bad habit. A quick Google search showed me that this wasnt just a bit of silver screen

发表于:2019-02-06 / 阅读(108) / 评论(0) 分类 阅读空间

Valor will be tackling the acid clouds of Venus with little help from flying pan technology. This being two weather balloons are we watched Venus in the mid-1980s. This with wagon machines there were two sep balloons that the Russians put them in the

发表于:2019-02-15 / 阅读(141) / 评论(0) 分类 自然百科2012年

Although quarks are much too small to have color or taste or any other physical characteristics we would recognize, they became clumped into six categoriesup, down, strange, charm, top, and bottomwhich physicists oddly refer to as their flavors, and

发表于:2019-02-17 / 阅读(73) / 评论(0) 分类 万物简史

BUENOS AIRES, July 11 (Xinhua) -- Argentine soccer legend Diego Maradona suffered a road accident on Monday with his girlfriend Veronica Ojeda near Ezeiza city, south of Greater Buenos Aires in Argentina, but none was injured as both only suffered mi

发表于:2019-02-17 / 阅读(161) / 评论(0) 分类 英语新闻

YAN'AN, Shaanxi, Aug. 26 (Xinhua) -- The death toll from an expressway collision between a bus and a tanker in northwest China has risen to 36, local police said Sunday. The accident happened at around 2 a.m. in Yan'an, Shaanxi Province, when a doubl

发表于:2019-02-18 / 阅读(124) / 评论(0) 分类 英语新闻
学英语单词
ac telegraph circuit
accusatrices
agricultural prices at farm gate
allocated
analetical
aperflavon
apode
appendicular lymph nodes
arachnogastria
autophytic bacterium
Bhadravati
brush holder supporting structure
canoeists
castanopsis chrysophyllas
changes over
chemical recovery furnace
coefficient of braking
color label on a bottle
combined acceptance trials
compensation of gradient
complex of circle
content word
conventional ration
crude krypton condenser
cut the cord
denticulate, denticulated
Dibasin
direct Telnet
dissemination of the value of q quantity
fabien
fire companies
fissure eruptions
galactostasis
garavani
gelber
general-purpose processor
geoheliocentrism
glide slope deviation
GOHs
gripper for kelp seedling
half router
hedonic price
hepatojugular reflex
immoralism
infantile
inhomogeneous coordinates
input spectral density
international syndicated loan
Ixeris tamagawaensis
lighting hole
Lilla Luleälv
Los Leones
mediotemporal
Mesocain
mode II fracture
monoptychial
multipurpose use of solid waste
municipal drainage
Nanocnide
nonmetropolitan population
north geographical pole
oleum helianthi
outer nozzle
over proof
over-process
pectinesterases
performance model
pilonidal abscess
power directional relay
primary stage
pspc
retrieval pointer
rigid fixing
salt substrate
San Ramon
sautre
schoolmarmishness
sea noise
secondary lock rod
settlement sheet
slate-worker pneumoconiosis
soght
Spanish Guinean
St-Laurent-en-Gâtines
t(organ)
tarquiniuss
tellurnickel
thoracomelus
tissual lesion
tomberel
Tongue and Groover
trans-2-and-ecenal
triangle property
trimeters
true-breeding line
truthinesses
ultraviolet absorber film
upper side bearing
uterosalpingography
Villa Quesada
vizierate
zero voltage switching