自动犁的反向顺序

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(231) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(233) / 评论(0) 分类 数学英语

发表于:2018-12-12 / 阅读(166) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(287) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(221) / 评论(0) 分类 2014年ESL之商务英语

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(318) / 评论(0) 分类 数学英语

The fortunes of American and Japanese automakers are reversing. The three big automakers in the United States - General Motors, Ford and Chrysler - all are profitable now after struggling financially(金融上) during the world economic downturn that

发表于:2019-01-07 / 阅读(232) / 评论(0) 分类 英语新闻

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(260) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(242) / 评论(0) 分类 Scientific American(五)月

By Daniel Schearf Irbil 01 March 2008 The Iraqi government says the number of civilians who were killed rose by a third in February, reversing a six-month trend that came with security improvements. A U.S. military spokesman says violence is still do

发表于:2019-01-12 / 阅读(183) / 评论(0) 分类 VOA标准英语2008年(三月)

BEIJING, Nov. 28 (Xinhuanet) -- Scientists in Canada have raised a prospect of reversing Alzheimer's disease by deep brain stimulation, according to media reports Monday. The technique here is known as deep brain stimulation -- applying electricity d

发表于:2019-01-20 / 阅读(226) / 评论(0) 分类 英语新闻

From VOA Learning English, this is the Health Report. November is Alzheimers Awareness Month in the United States. Alzheimers is a frightening disease. It is frightening not only for those who suffer from memory loss, but also for their loved ones. B

发表于:2019-01-24 / 阅读(229) / 评论(0) 分类 英语语言学习

暂无音频 Weekly Address: Reversing a Troubling Trend in Food Safety In this week's address, President Barack Obama makes key announcements regarding the safety of our nation's food. We are a nation built on the strength of individual initiative. But

发表于:2019-01-26 / 阅读(249) / 评论(0) 分类 美国总统每日发言

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(189) / 评论(0) 分类 阅读空间

By Gilbert da Costa Abuja 16 October 2006 An international campaign to draw attention to the huge agricultural potential of the Sahel drylands of Africa is gaining ground, with a recent workshop in Niamey, the capital of Niger. The campaign seeks to

发表于:2019-02-02 / 阅读(296) / 评论(0) 分类 2006年VOA标准英语(十月)

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(257) / 评论(0) 分类 英语新闻

And the mice that drank regular water? They lost more and more of their memory and thinking skills. So does this mean that drinking lots of coffee or tea or even soft drinks will prevent you from getting Alzheimers? Could reversing memory loss caused

发表于:2019-02-15 / 阅读(160) / 评论(0) 分类 英语时差8,16

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(191) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(171) / 评论(0) 分类 英语听力练习题

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(239) / 评论(0) 分类 柯南脱口秀
学英语单词
'Dizzy' Gillespie
a great deal of something
admissibility
Aerosol-Induced
al ghafat
amplitude modulation reticle
antistrike
aponal
ar rutbah (rutba)
arris-piece
black right whale
cask car
castillons
chah-e ab
classroom setting
club house
coccidiostat
compartmentalized
competize
computational effort
continuous processing line
DC trigger
DCTS
dice-play
dijunction
double arc method
Early American
economic legal act
enterooxyntin
explicit definitions
fit sb like a glove
flexural mode
g-series
harbinger of spring
Herlev
hexandial
home-free
hookliker
hyperburners
impact fatigue
in-pile gamma scanning
Inter-Governmental Group of Experts on Tariff Reclassification
job-losses
kachang jijau
Kobah
L-10-W
lambis scorpius
leaded number
logical group instruction
magneto crank
magnitude of a complex number
mantle reversal
mechanic efficiency
microhardness head
mouthlike
mud wrestling
Narangiin Dugang
Norton's theorem
objectivates
optically interconnected networks
orae
penetratration test
press runs
principal alias lobe
Processus transversus
radgepacket
recognition marks
resistance to ripping
ribulose-1.5- diphosphate
robbinss
s.marino
sadoon
San Juan, B.
sector of light
seiler
self-radicalized
Sherard
sod grass
stone ball
surface of fracture
taste centre
temperature programme
the cloister
Theodosia
three island type
three-way stopcock
Thymus curtus
time interval between trains spaced by automatic block signals
Tirich Mir
tonnage depth
touch my heart
train spotting
trans-boundaries
trilabe
unadministered
unbalance mass
under-bailiffs
UNDPKO
utopic
water surface tension
West Java
yashiro-jima (o-shima)