飞机用钢管

Being a super power, it’s not possession of nuclear weapons, it’s not having a large armed forces, it’s not having higher tech equipment than anyone else, if there’s one thing that defines bei

发表于:2018-11-28 / 阅读(156) / 评论(0) 分类 疯狂英语2002年

Dad, Can You Tell Me How to Get Rich? My dad put down the evening paper. Why do you want to get rich, son? Because today Jimmy's mom drove up in their new Cadillac, and they were going to their beach house for the weekend. He took three of his frien

发表于:2018-12-06 / 阅读(83) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

By Paul Sisco Washington D.C. 24 January 2008 Wing Power, wave power, people power. Italian inventor Lucien Gambarota tries to capitalize on all three. VOA's Paul Sisco explains in this week's Searching for Solutions report. Lucien Gambarota is a vis

发表于:2018-12-16 / 阅读(93) / 评论(0) 分类 VOA标准英语2008年(一月)

Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有一个健康的身体, 那就不仅需要了解它的外部结构, 更要明白它的内在构

发表于:2018-12-18 / 阅读(53) / 评论(0) 分类 英国学生科学读本

插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass

发表于:2018-12-18 / 阅读(80) / 评论(0) 分类 英文语法词汇

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(102) / 评论(0) 分类 Scientific American(九)月

Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co

发表于:2018-12-28 / 阅读(54) / 评论(0) 分类 英语PK台

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 科技之光

By Lisa Schlein Geneva 02 January 2008 The Geneva-based Aircraft Crashes Record Office says 2007 was one of the safest years in the past half century in which to fly. The group says 965 people died in 136 airplane crashes last year. The private group

发表于:2019-01-07 / 阅读(87) / 评论(0) 分类 VOA标准英语2008年(一月)

EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Designer By Marilyn Christiano Broadcast: Wednesday, July 06, 2005 (MUSIC) ANNOUNCER: Igor Sikorsky on the cover of Time magazine. Now, the VOA Sp

发表于:2019-01-07 / 阅读(90) / 评论(0) 分类 Explorations

By Anjana Pasricha New Delhi 01 September 2007 The world's biggest aircraft manufacturers are in the race to supply the Indian air force with 126 new fighter jets in a deal worth an estimated $10 billion. As Anjana Pasricha reports from New Delhi, th

发表于:2019-01-07 / 阅读(140) / 评论(0) 分类 2007年VOA标准英语(九月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? [Radio sound:] Northeast 480 you are cleared for landing, Northeast 480 you are cleared for landing. That same radar technology that guides aircraft and tracks hurrica

发表于:2019-01-07 / 阅读(78) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(四)月

drain作名词的时候可以指下水道。看见go down the drain这个习惯用语,你头脑里可能会出现这样的情景:有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里,在他还没来得及作出反应的

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 美国俚语

Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 原版英语对话1000个

我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词: down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里:go down the drain。 Drai

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 美国习惯用语

类缘何而来?猩猩?还是猿?要追溯到更远的话,应该是单细胞生物吧! 纳尼!还不对? 那究竟是什么呢? 今天的节目将为您讲述生命的起源 Life Traces in Lava Don: Can I ask you something, Ya?l? Ya?l

发表于:2019-01-26 / 阅读(63) / 评论(0) 分类 英语听力文摘 English Digest

China conducts flight landing on aircraft carrier LIAONING AIRCRAFT CARRIER, Nov. 25 (Xinhua) -- China has successfully conducted flight landing on its first aircraft carrier, the Liaoning, naval sources said. A new J-15 fighter jet was used as part

发表于:2019-02-06 / 阅读(125) / 评论(0) 分类 英语新闻

DALIAN, Sept. 25 (Xinhua) -- China's first aircraft carrier was delivered and commissioned to the People's Liberation Army (PLA) Navy Tuesday after years of refitting and sea trials. Overseen by President Hu Jintao and Premier Wen Jiabao, the carrier

发表于:2019-02-07 / 阅读(232) / 评论(0) 分类 英语新闻
学英语单词
abandonment of husband
abnormal arch
albicans
alviero
anti-bonding electron
antiperistaltic anastomosis
bible-thumpers
block coeffienient
bolt-operated
bone-yard
boom stick
boring bar (rod)
bovver boy
bromobutane
cattle truck
cephalometer
certified check register
chip multiprocessing
close to market
coal tar light oil
Colchineos
complex adaptive system
contact-time test
corotated
Cyclobalanopsis sichourensis
DA, D.A
Damghan
darkest africa
diaminotoluene
do someone's head in
Dolman's butter
erinaceus europeaeuss
framing system
genus myrsines
high cycles fatigue
hot-metal car
huerters
IFIWS
increment of fines
individualities
input accountability vessel
Itimādpur
japanese bananas
lactylates
lagged dependent variable
look something up
lymer
magnesian product
Matalom
Mike boats
milefortlet
monothiocarbonic acid
motillin
nathaniel baileys
neesiella rupestris schiffn
Nipisso, L.
nitrogen accumulation in whole plants
nominal hygiene air requirement
nonslave
not far
obstruction lights
Ondangwa
parallel thirds
phage cross
pipet filler
piston valve steam engine
plasma-modulation
plate marking
playner
polygala luteas
priming oil
produce record
pseudo-concurrency
puba
pyin
recurrent backcross
reductive genioplasty
regression sum of squares
retrograde cystography
San Pedro de Buena Vista
savanna
scheide
secular movements of the earth's crust
skull muscles
socketed pipe
sternutators
subauroral latitude
tension-spring
the setting sun
thickness advection
timakata
troegerite (tr?gerite)
truantism
Turup
Umm Dam
underteaching
water-whistle sound
well-cress
wild animal conservation law
wireless telegraphies
You may save your pains .
zagorodniuk