大地构造学; 构造地质学

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(

发表于:2018-12-01 / 阅读(186) / 评论(0) 分类 新东方背诵文选

SCIENCE IN THE NEWS - Plate Tectonics By Marilyn Christiano Broadcast: Tuesday, February 17, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English. I'm Sarah Long. Graphic Image

发表于:2018-12-07 / 阅读(113) / 评论(0) 分类 科技之光

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o

发表于:2018-12-08 / 阅读(447) / 评论(0) 分类 新概念优美背诵短文50篇

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[ 地 ] 岩石圈 )is divided into a few dozen p

发表于:2018-12-30 / 阅读(138) / 评论(0) 分类 考研背诵50篇

[ti:UNIT 7 Know Our World Coming! Lesson 49: Let's Learn Geography!] [0:00.291]UNIT 7 [0:02.469]Lessons 49~56 Lessons 49~56 [0:05.445]Know Our World [0:07.187]You Will Learn 你会学到 [0:08.930]Functions 功能 [0:10.018]Talking About Numbers 谈论

发表于:2019-01-09 / 阅读(285) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

SCIENCE IN THE NEWS - The Moving Story of Plate Tectonics FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Scientists who study the Earth tell us the continents and ocean floors ar

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2012年VOA慢速英语(一)月

By Zulima Palacio Washington 26 September 2007 The organization that runs George Washington's estate near Washington, D.C. opened to the public a typical slave cabin from the 18th century. Most of those present at the dedication say the tiny house br

发表于:2019-01-13 / 阅读(133) / 评论(0) 分类 2007年VOA标准英语(九月)

By Jim Malone Washington 02 January 2007 State Funeral service at the Washington National Cathedral for former President Gerald R. Ford, 2 Jan. 2007 Official Washington bid farewell to former President Gerald Ford on Tuesday. Mr. Ford, the 38th pres

发表于:2019-01-13 / 阅读(183) / 评论(0) 分类 2007年VOA标准英语(一月)

Russian President Dmitri Medvedev has signed decrees granting formal recognition to the Georgian breakaway regions of Abkhazia and South Ossetia. But VOA Moscow correspondent Peter Fedynsky reports analysts say the move could promote separatism in R

发表于:2019-01-13 / 阅读(86) / 评论(0) 分类 VOA标准英语2008年(八月)

The United Nations is appealing for more than $58.5 million to provide emergency assistance to tens of thousands of people affected by the crisis in Georgia over the next six months. Aid agencies report their biggest problem remains one of access. L

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2008年(八月)

Geophysicist Probes Ocean's Secrets Today, Pitman is a distinguished professor of geophysics at Columbia University, and the recipient of many of his fields most coveted honors. Even though he is now in his 80s, Pitmans animated manner makes it easy

发表于:2019-01-13 / 阅读(286) / 评论(0) 分类 VOA标准英语2012年(一月)

GeographyMeetsSocialMediaonGeosocialSites Theres a well-worn phrase in real estate: location, location, location, meaning that where a property is located, alone, means more than anything else when it comes to assessing its value. But location is get

发表于:2019-01-13 / 阅读(97) / 评论(0) 分类 VOA标准英语2011年(九月)

KELLY MCEVERS, HOST: We're going to hear about something called geofencing. You might know about it. But if you don't, it's wireless technology that tracks mobile devices entering and exiting a specific area. Up to this point, it's mostly been used b

发表于:2019-01-16 / 阅读(141) / 评论(0) 分类 2017年NPR美国国家公共电台7月

U.S. President George Bush says Russia must not lay claim to the breakaway Georgian republics of South Ossetia and Abkhazia. VOA White House Correspondent Scott Stearns reports, Mr. Bush says all Russia forces must leave Georgia. Russia says there i

发表于:2019-02-06 / 阅读(102) / 评论(0) 分类 VOA标准英语2008年(八月)

Earth is alone among the rocky planets in having tectonics, and why this should be is a bit of a mystery. It is not simply a matter of size or densityVenus is nearly a twin of Earth in these respects and yet has no tectonic activity. It is thoughttho

发表于:2019-02-25 / 阅读(123) / 评论(0) 分类 万物简史

Australia, meanwhile, has been tilting and sinking. Over the past 100 million years as it has drifted north toward Asia, its leading edge has sunk by some six hundred feet. It appears that Indonesia is very slowly drowning, and dragging Australia dow

发表于:2019-02-25 / 阅读(121) / 评论(0) 分类 万物简史
学英语单词
abid-ing
absuming
aduncated
alternating-current bridge
Andean Common Market
Arcus plantaris profundus
as life declines
Avellis'paralysis
Avon Park
bergamotol
bicarbonates of soda
Calliphylloceras
carry-in terminal
cease-and-desist
chamecephaly
codium formosanum
consumer-level
contactbed
contribution by segment
copious current
Curnamona
Cyclosteroidea
cylindrical waveguide
electronic statistical machine
encephalitis viruses
feel at ease
fissile material flow
flemish dialects
fucksome
geesaman
Gelasian
general-purpose computing system
ghatpot
gyruss
hig mica
hincky
home-alone
impeller ramming
ivac
lighted up
loop of retrogression
make the best of the both worlds
makeup examination
malcolmson
man of quality
micro-activity
Morecambe
multi nozzle
multiracially
neighborhood services
network analysis program
normal entry
nutritiveness
Nymphoides lungtanensis
Ott's tests
paste-egg
patch-clamp
Pearl Mae Bailey
pilot-wire regulator
pixel size
plexus submucosus
Portuguese heath
premie
pressurization installation
primary liquidity
prospecting network layout
rail cap
reactor effluent
reniformis
rhodesia and nyasaland, federation of
rhylls
road-makings
rotary surface grinding machine
sampling read-out
sastisfactory
scale level
scleriritomy
screw for starter fixing clamp
screw key
sexdom
single-core oil-filled cable
sinter stones
sirmarks
SmartMode
stageshows
stubs
symposiac
tapping voltage ratio
tender front tank lug
thermal stage
tilt-hammers
Titus, Saint
track pin
transfects
twin machine gun
umfs
vaishyas
white-grey symptom
working stock
wyllieite
yarn size
yellow terror