音标:['retrәv\\:tid] ;
a. 子宫后倾的
[医] 后倾的
v go back to a previous state

Nobody is at home at the Wangs' house. Mr.Wang is working in his office.Mrs.Wang is shopping at the supermarket. Tony is sitting on the bus.He's on his way to the gym. Tina is studying at the library.

发表于:2018-11-27 / 阅读(1218) / 评论(0) 分类 赖世雄初级美国英语

Mars Rover Finds Evidence of Ancient Sea David McAlary The U.S. space agency NASA says Mars once had a shallow, salty sea that could have supported life. The evidence has come from chemical and physic

发表于:2019-01-04 / 阅读(263) / 评论(0) 分类 VOA2004(上)--各类新闻

Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t

发表于:2019-01-04 / 阅读(361) / 评论(0) 分类 VOA2004(上)--各类新闻

NASA's Curiosity Rover on Mars LAUREL BOWMAN: There will be several weeks of tests before NASA lets its robotic vehicle, called Curiosity, explore the surface of Mars. Curiosity will look for evidence that the planet once might have had conditions ne

发表于:2019-01-12 / 阅读(217) / 评论(0) 分类 2012年VOA慢速英语(八)月

NASA Mars Rover Will Face Harrowing Descent, Landing Curiosity is the centerpiece of the $2.5 billion Mars Science Laboratory spacecraft, launched in November aboard an Atlas V rocket. It's traveled some 560 million kilometers toward its destination,

发表于:2019-01-13 / 阅读(215) / 评论(0) 分类 VOA标准英语2012年(八月)

Curiosity Rover Bound for Mars The newest of NASA's Mars rovers is set to launch from Cape Canaveral, Florida, on Saturday, November 26 and reach the Red Planet in August 2012. It's called the Mars Science Laboratory, MSL for short, or 'Curiosity' to

发表于:2019-01-13 / 阅读(279) / 评论(0) 分类 VOA标准英语2011年(十一月)

Unusual Mars Rock Surprises Rover Scientists Curiosity's engineers on Earth put the drilling and sampling tools on the rover's robotic arm to full use this week as they assessed the makeup of the pyramid-shaped rock. The sample is named Jake Matijevi

发表于:2019-01-14 / 阅读(265) / 评论(0) 分类 VOA标准英语2012年(十月)

A Teen Might Pick The Landing Site For NASA's Next Mars Rover play pause stop mute unmute max volume 00:0003:57repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash pl

发表于:2019-01-16 / 阅读(260) / 评论(0) 分类 2016年NPR美国国家公共电台9月

DAVID GREENE, HOST: This seems big. Scientists say for the first time they have clear evidence that the chemical building blocks of life exist on Mars. So is this the moment we can say there is life on the red planet? Well, NPR's Joe Palca says not y

发表于:2019-01-17 / 阅读(222) / 评论(0) 分类 2018年NPR美国国家公共电台6月

WASHINGTON, July 31 (Xinhua) -- U.S. space agency NASA on Tuesday confirmed its most advanced planetary rover, Curiosity will land on the Martian surface at 1:31 a.m. EDT (0531 GMT) on Aug. 6 and the landing process will be broadcast live from Times

发表于:2019-01-31 / 阅读(301) / 评论(0) 分类 英语新闻

Mars Rover Digs Trench to Search for Evidence of Water David McAlary One of the U.S. Mars rovers has spun a wheel to dig a shallow trench in the sand in the continuing search for evidence that water o

发表于:2019-01-31 / 阅读(321) / 评论(0) 分类 VOA2004(上)--各类新闻

MADRID, Aug. 18 (Xinhua) -- China Great Wall Industry Corporation will send a Spanish rover to the moon in June 2014, according to the Galactic Suite company which heads the Barcelona Moon Team that is competing in the Google Lunar X Prize contest to

发表于:2019-02-02 / 阅读(256) / 评论(0) 分类 英语新闻

WASHINGTON, Nov. 21 (Xinhua) -- The launch of the Mars Science Laboratory, which contains the car-sized Curiosity rover, has been delayed by a day to Nov. 26, the U.S. National Aeronautics and Space Administration (NASA) announced Monday. The delay w

发表于:2019-02-02 / 阅读(209) / 评论(0) 分类 英语新闻

LOS ANGELES, May 25 (Xinhua) -- NASA project managers bade farewell to the Mars rover Spirit on Wednesday after sending a final set of commands to the stranded vehicle. This marks the completion of one of the most successful missions of interplanetar

发表于:2019-02-03 / 阅读(204) / 评论(0) 分类 英语新闻

中国月球探测车工作稳定 BEIJING, Dec. 21 (Xinhua) -- China's moon rover, Yutu (Jade Rabbit), worked in stable condition following its restart after a nap on Friday night, according to the Beijing Aerospace Control Center (BACC). The six-whe

发表于:2019-02-05 / 阅读(251) / 评论(0) 分类 英语新闻

The Curiosity rover is the centerpiece of NASA's $2.5 billion Mars Science Laboratory mission. The U.S. space agency is preparing for the rover to land on the Red Planet on Monday [August 6 at 5:31 UTC]. Curiosity has traveled some 566 million kilome

发表于:2019-02-11 / 阅读(342) / 评论(0) 分类 英语新闻

Business: The sharing economy-2: Airbnb for canines 商业:分享型经济-二:犬类的空中食宿 Putting a wolf over their heads. 把狼放在他们头顶。 The majority of Americans see their pets as family members, surveys show. 研究表明

发表于:2019-02-16 / 阅读(253) / 评论(0) 分类 经济学人商业系列

WASHINGTON, June 23 (Xinhua) -- NASA's next Mars rover has completed the journey from its California birthplace to Florida in preparation for launch this fall, the U.S. space agency said Thursday in a statement. The Mars Science Laboratory (MSL) rove

发表于:2019-02-17 / 阅读(244) / 评论(0) 分类 英语新闻

BEIJING, May 16 (Xinhuanet) -- NASA is close to deciding on a landing site for its Mars rover Curiosity mission by narrowing the choices to four, media reports said Monday. Scientists in the close-knit Mars research community get one last chance to m

发表于:2019-02-18 / 阅读(244) / 评论(0) 分类 英语新闻

The American space agency NASA had expected its rover called Opportunity to operate on Mars for just 90 days. But the vehicle kept exploring for 15 years after landing on the red planet. Opportunity landed on Mars in 2004. Scientists finally lost con

发表于:2019-02-24 / 阅读(237) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
abstractg of title
Alacine
alterative inflammation
amblyopes
Asperger syndrome
avocourts
bewilderings
BIG suits
brake compensation gear
buoy rope
capacitance-variable transistor
capring
cargo barge
central metabolic pathway
Charvonnex
chesterfield is.
cleanaerodynamic design
cook-room
coppermine pt.
day-time
dc arc
demand side
diagonalizaiton
dipolar adsorbent
disemvowel
DLWD
E. E. T. S.
entero-vioform
fabricature
farraginary
frame structure
from today on
fungalysin
Garnotia acutigluma
ghost car
great deal
gregories
hair pie
hermetic separator
histozyme
horizontal exposure
hydrocarbon reforming
idiopathic hearing loss
improved corrective fertilizer recommendations
iron graphite diagram
Khiva
Kǒnha-ri
latifundist
lovingkindness
low-temperature aqueous geochemistry
luggable computer
lymphogenic
middleshot wheel
Mirzāpur-Vindhyāchal
molybdenum hexafluoride
neptunium complex
norvaline
odd nuclide
paste job
percolation leaching
pertusaria pertusa
photics
pseudocercospora fuligena
pseudopassive
radiation shutter
random sample of size n
Raquel Welch
rehed
revulsiva
rubber gasoline
sale note
Salix schwerinii
satellite position
scimitarbills
shellacs
shuddering
Sierning
sodium chloride spring
space measuring mark
spotted squeateague
spyar
steve reiches
subsidiary revenue
sweetheart neckline
test for surface abrasion resistance
test version
time sink
to kick in
transformed programme
trideoxynucleotide
uicsm
undersalting
univariance
usable minimum immersion depth
Vila do Tarrafal
Vioactane
vitelline circulation
war criminals
well-spreads
western fence lizards
Yaroslavskiy
zairians