[化] 临界风速

Situation Critical 十万火急 by Kevin Lustig In some jobs, danger can appear at any moment. In the blink of an eye, the routine can become perilous. This month, the National Geographic Channel shows us what happens when a normal situation becomes

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 常春藤解析英语

The UN has just issued a report saying that six million people in Myanmar need food right now. How critical is the situation? It's a real paradox, because in the same year that Cyclone Nargis devastated the, what had been the rice bowl of Myanmar, th

发表于:2018-12-11 / 阅读(110) / 评论(0) 分类 访谈录2009

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(73) / 评论(0) 分类 TED演讲教育篇

BCF(Boot Catalog File,启动目录文件) BIF(Boot Image File,启动映像文件) CDR(CD Recordable,可记录光盘) CD-ROM/XA(CD-ROM extended Architecture,唯读光盘增强形架构) CDRW(CD-Rewritable,可重复刻录光盘) CLV(Constant

发表于:2018-12-18 / 阅读(158) / 评论(0) 分类 英文语法词汇

The next time youre driving during a rain shower, glance back at the rear window. Youll notice that while raindrops batter the front windshield, they seem to avoid the back window as long as the car is moving. How is that possible? 下一次下阵雨而

发表于:2018-12-28 / 阅读(72) / 评论(0) 分类 初学者听力文摘精选

(LOS ANGELES, AP) Allen Iverson shook up the NBA Finals when he scored 48 points in the opener of the series. (美联社洛杉矶电)亚伦.艾佛森在NBA联赛的第一场比赛攻下48分,震撼NBA的总决赛。 The Philadelphia 76ers stunn

发表于:2018-12-28 / 阅读(90) / 评论(0) 分类 赖世雄英语新闻听力通

In Houston, Flight director Kranz is trying to make sense of the barrage of information. I am completely surrounded with reports coming in that I dont fully understand, but frankly, problems are our business, and I thought we are going to solve these

发表于:2018-12-30 / 阅读(155) / 评论(0) 分类 国家地理2007年

看到助攻,千万不要受汉语思维影响。助攻很简单,一点都不复杂,不信?看外电一段有关小巨人姚明缺席NBA全明星赛的相关报道: NBA Houston Rockets center Yao Ming will not play in next month's National

发表于:2019-01-03 / 阅读(55) / 评论(0) 分类 奥运英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Could it be that our understanding of rain was all wet? A new study says that some drops of rain are falling faster than they should be. Which ultimately means that it m

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(六)月

By Greg Flakus Houston 05 March 2008 Hillary Clinton made a stunning comeback in Tuesday's primaries and caucuses, winning decisively in Ohio and Rhode Island and coming out on top of a close race in Texas. John McCain won all four states, to clinch

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 VOA标准英语2008年(三月)

By Melinda Smith Washington 06 September 2007 In 2006, the World Health Organization issued a report that a critical shortage of doctors and nurses has contributed to severe health problems in Africa and parts of Asia.The report said at least four mi

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 2007年VOA标准英语(九月)

We have to beat that. 我们必须克服它。 We can do it because in space there are no aerodynamics. 我们能够这样做是因为太空里没有空气阻力。 We can go and use inflatable systems for almost everything. 我们几乎总是能够使

发表于:2019-01-18 / 阅读(50) / 评论(0) 分类 TED演讲商业篇

LOS ANGELES, March 10 (Xinhua) -- Blake Griffin finished with 22 points and eight rebounds, Chris Paul contributed 20 points with 14 assists as the Los Angeles Clippers handed the Detroit Pistons 5th straight defeat 129-97 on Sunday. The 129 points w

发表于:2019-02-03 / 阅读(113) / 评论(0) 分类 英语新闻

WASHINGTON, Feb. 19 (Xinhua) -- NBA's Philadelphia 76ers announced Tuesday that their guard Jason Richardson has undergone successful knee surgery. The 12-year NBA veteran, who has not played for a month and will be sidelined for the rest of the seas

发表于:2019-02-04 / 阅读(96) / 评论(0) 分类 英语新闻

1. 市况上扬: The market advances/ gains /rises. 2. 市况下挫: The market declines /falls/loses. 3. 市况活跃: The market booms. The market is excited. The market becomes active. The market becomes brisk. 4. 市况暴跌停滞: The m

发表于:2019-02-06 / 阅读(72) / 评论(0) 分类 天天商务口语

China's unmanned lunar probe Chang'e-5, set to be launched around December 2017, will bring lunar soil samples back to Earth, says Wu Yanhua, deputy chief of the China National Space Administration. 国家航天局副局长吴艳华近日表示,我国

发表于:2019-02-07 / 阅读(42) / 评论(0) 分类 英语新闻

In the Pacific state of Hawaii, U.S. President Barack Obama on Sunday told leaders of the 21 Asia Pacific Economic Cooperation economies that the region will be key to U.S. economic recovery. With much of the formal summit activity, including a worki

发表于:2019-02-08 / 阅读(91) / 评论(0) 分类 英语新闻

By Scott Stearns Dakar 08 October 2009 Cameroon President Paul Biya (file photo) Authorities in Cameroon have closed a private FM radio station that has been broadcasting illegally from the capital for several months. The station was highly critical

发表于:2019-02-18 / 阅读(81) / 评论(0) 分类 VOA标准英语2009年(十月)

CLEVELAND, Jan. 9 (Xinhua) -- Cleveland Cavaliers' Brazilian center Anderson Varejao will be sidelined in the next two months after it was revealed he needs surgery on his right knee. Varejao suffered the injury during the Cavaliers' 113-99 defeat to

发表于:2019-02-18 / 阅读(107) / 评论(0) 分类 英语新闻
学英语单词
a la bonne heure
askes
back contact solar cells
bairn-team
beta frequency
brass (electro)plating
brochiole lobular
bromatimetric titration
Buffer Guest
bumkin
celioncus
cherry piker
civalle
coal bunker(coal bin)
colpoxeroses
create a shortcut
crosstalk noise
cymbalists
cypridopsis elephantiasis
daily disposable
Dimethyl-p-toluidine
direct arc plasma torch
dormingtons
dorsal process
dragon beam
drive axle ratio
driven system
dumitrescu
entrance jetty
euphorbia henryi hemsl.
ex repayment
execting
feathering a propeller
full arc
grammatophora angulosa
grille wall
hand-over-hand
hand-placed
hexahydrobenzene
highest vertical extent of flooding
home monitoring
homokaryocyte
hydraulic extension screed unit
hypnotizability
ignition interlock
inacessible antigens
incensement
incised meander
indeffing
index table machine
infinitive particle
insertion type vortex flow transmitter
intensity modulation
Isopoda
keel-boat
light detection and ranging (lidar)
loam mixer
Local-area wireless network
long oil warnish
magnetohydrodynamic wind tunnel
main line railway
miscrooked
monomelichyperostosis
multiple strand rope
o'hearn
omental cavity
onboarded
ordinands
peremptory provision
phosphorodithioic acid
phyllophora brodiaei
plastic suspension
plycount
prevention of deadlock
priming bar
profit volume ratio
psephisms
pull button
rebidders
salt figure
self-contained drive pump
sense cell
sherrell
shim brass
sightseers
sleeps on it
sodium hydrogen sulfite
square law rectifier
stanis
strategic surprise
supplement of an arc
tectonic contact
thionitrites
total matrix ring
trangenic
unmeetable
unsymmetrical fault
virtual honeypot
Westerburg
xinmaitong tablets
yupanqui
z-variants