内燃机修理船

NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

发表于:2018-12-05 / 阅读(104) / 评论(0) 分类 英语沙龙2004全年合辑下

Astronauts at the International Space Station have overcome initial fears and are preparing to perform the first spacewalk beneath the shuttle to repair two dangling pieces of material. The material, used to fill gaps between tiles, is sticking out b

发表于:2018-12-05 / 阅读(97) / 评论(0) 分类 英语听力文摘 English Digest

听广告学英语:Mitsubishi GDI Engine三菱汽车引擎 Mitsubishi GDI 三菱汽车引擎 原文 It's the GDI, the engine technology of tomorrow is already being driven today. Mitsubishi's GDI engine produces more power, reduces fuel consumption, and emits less carb

发表于:2018-12-07 / 阅读(182) / 评论(0) 分类 听广告学英语

34 Buying Books on the Internet It's easy to order books from the Internet. There are several companies that ship books to customers in China. Just decide which company you would like to use and type that company's name into the search engine. The co

发表于:2018-12-08 / 阅读(257) / 评论(0) 分类 背诵为王第一册

美国动力公司研发提升五成油效对置活塞二冲程发动机 This little engine looks like it has only three pistons, but in fact, it has six, sharing only three cylinders. 这台小身材引擎看起来只有3个活塞,但事实上却有

发表于:2018-12-16 / 阅读(123) / 评论(0) 分类 VOA标准英语2016年(三月)

[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was

发表于:2018-12-26 / 阅读(129) / 评论(0) 分类 美国英语听力80篇

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

发表于:2018-12-31 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

George Gobel thinks that he might have helped dump his own sisters body. George told police that recently his brother-in-law Russell had asked him to help move a big metal barrel out of his house. Ill buy you a case of Bud, Russell promised. The barr

发表于:2018-12-31 / 阅读(105) / 评论(0) 分类 365个英语简短小故事

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(三)月

Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(七)月

By Gary Thomas Washington 22 August 2007 The Central Intelligence Agency has released a report sharply critical of the CIA's senior leadership in the years and months leading up to the terrorist attacks of September 11, 2001. As VOA correspondent Gar

发表于:2019-01-13 / 阅读(147) / 评论(0) 分类 2007年VOA标准英语(八月)

This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2016年(三月)

AUDIE CORNISH, HOST: The story of the Titanic that most people know is pretty straightforward - unsinkable ship sets sail. Ship hits iceberg. Ship sinks. A new documentary suggests an extra wrinkle in that 104-year-old story. The claim is that a coal

发表于:2019-01-16 / 阅读(77) / 评论(0) 分类 2017年NPR美国国家公共电台1月

By Ravi Khanna Washington 09 November 2007 The current political turmoil in Pakistan has raised concerns in Washington that the Pakistani government is no longer focused on battling Islamic militants and it is making the country an even safer haven f

发表于:2019-01-30 / 阅读(111) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Margaret Besheer Washington 03 November 2007 NASA astronauts have successfully repaired a damaged solar wing at the International Space Station. The operation was completed Saturday, after being postponed twice so engineers could further study how

发表于:2019-01-31 / 阅读(131) / 评论(0) 分类 VOA常速英语2007年(十一月)

According to a statement from China's manned space engineering office, the Tiangong-2 will be capable of receiving manned and cargo spaceships, and will be a testing place for systems and processes for mid-term space stays and refueling in space. It

发表于:2019-02-14 / 阅读(150) / 评论(0) 分类 2016CRI中国国际广播电台

Subject : Life is not always a bowl of cherries. 第一, 迷你对话 A: There is something wrong with my cars brake and engine. I have to pay the repair fee. 我的车刹车和引擎有些毛病,我不洗得支付修理费。 B: Life isnt always

发表于:2019-02-15 / 阅读(124) / 评论(0) 分类 迷你对话学地道口语

Another fishing ship is in trouble in Antarctica, in the Ross Sea, 3,700km south of New Zealand. The ship is the Jeong Woo 2, a Korean ship. It had a crew of 40 men from different countries. They were fishing for toothfish. Fire broke out early this

发表于:2019-02-17 / 阅读(100) / 评论(0) 分类 新西兰英语

今天我们要学的词是 internal. Internal 形容词,内部的。Britain's MI5 has begun an internal review of how it handled intelligence on the Manchester suicide bomber. 英国军情五处开始展开内部审查,看军情五处对所掌握的

发表于:2019-03-07 / 阅读(197) / 评论(0) 分类 英语单词荟萃

SCOTT SIMON, HOST: The Democrats' proposed Green New Deal calls for America to eliminate greenhouse gas emissions from U.S. transportation, an ambitious goal that would require - among many other things - phasing out cars that run on gasoline. That m

发表于:2019-03-17 / 阅读(378) / 评论(0) 分类 2019年NPR美国国家公共电台2月
学英语单词
3-0-methyldopa
address sort roution
adstars
amphiphilic polymer
basin hydropower development planning
bath-times
bissextile year
bitfield
but and
butadiene-vinyl pyridine rubber
calanistrum
call stack
car model
careerbuilder
circle level
class mean
colchicum seed
creation of rights
creature comfort
Dam Busters, the
deferred payment credit
defunctionalized
departmentalise
distance-post
electrically heated undersuit
electromagnetic tracking
elevation potentiometer
ethyl sulfocyanide
faciobrachial hemiplegia
fixed carbon ratio
fling down the glove
foeticide
forced-commutated inverters
formosan mouse
full-blown heats
gang slitting machine
ginkgetin
Gmund
guoguang
hamming up
hemifacial spasm
horsetamer
hot-wire vacuum gage
howls
huelsman
Hume's law
Improvement-cutting
input storage
inter-react
intermaxillary space
International Distress Signal
Kalyan-Dombivali
Kandinski
Kwamouth
laemoparalysis
lord britten of aldeburghs
melamine-faced
metalloribozyme
meteorologic rocket network
monodactylism
Montenegro
narrow gauge track
neophonia
nonschlicht
Omphalodes
pacific red cedar
parietal lamina
penta resin
phase sampling pulse
Phillips condition
Polyangiaceae
power mowers
pre feasibility study
preventional
primary septum
printed circuit board fabricating processes
processionally
psychopneumatology
quality assurance test suites
railway man
Rivers, Joan
rod carrier
rosewatered
rostral teeth
s.g
salient angles
Seal Pt.
shipping cooler
spear head
suboculars
terminally ill
the last cast
three-dimensional parabolic flow
tissue respiration
Triador
unvoidable
venae centralis retinae
Vict.
westrups