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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(254) / 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(165) / 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(501) / 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(183) / 评论(0) 分类 考研背诵50篇

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(166) / 评论(0) 分类 2012年VOA慢速英语(一)月

Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl

发表于:2019-01-19 / 阅读(145) / 评论(0) 分类 英闻天下

China has scrambled fighter jets, after two Japanese jets entered Chinas airspace in the East China Sea, where it was holding joint maritime drills with Russia. The Defense Ministry said on its website that the Japanese aircraft entered the zone on S

发表于:2019-02-11 / 阅读(223) / 评论(0) 分类 CCTV9英语新闻2014年05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(155) / 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(160) / 评论(0) 分类 万物简史
学英语单词
AAM
advice of collection
aminobenzaldehyde
anthracite smells
architect's scale
as welcome as a storm
Atrigel
attachment lens
automatically programmed tools
automorphic potential
backup steam supply
bark-cloth
berghel
Biocef
black cargo
black food
bolt pipe joint
breadalbanite (hornblende)
bucket brigade device
bulk coefficient
bunne
butoxy benzene
Chemical Systems Laboratory
cladonia ramulosa
claim detinue
coal-air temperature
compound interest amortization method
condensate drain loop
Cryptospirifer
deep rock disposal
detailed schedule
disarmer
discous
drop-ships
elongation pass
Elsholtzia hunanensis
empirical probit
external savings
extra-period of detention
fessler
fill number
flap house
friendly takeovers
fruit loop
furrowy
further assistance
genus Nolina
Grigoris
half-man
halting foot of justice
hemipic acid
henbits
HVDC link
inflammatory stenosis of bile duct
introduce before
intuitive recovery procedure
juvenile muscular atrophy
Khāk-e Sefīd
Laurencetown
leisten
line of delimitation
living-quarter
madhhab
mania metastatica
Methyldebenal
microgametogenesis
mixed batch
Moncao
monosyllabic language
Nicamindon
nuclei nesvi accessorii
number operation
oncorn
ovarian calculus
over speculation
paramartyria ovalella
passe-flemingo
pebble soil
powder start system
primus
rave it up
receiving synchro
Rinkenæs
rostella
salamarum
sales training course
sea mud zone corrosion
selective extraction
shakudoes
sibirskite
single operater welding machine
snow hurdle
state probability
statolith rostrum
Stock Exchange of Thailand
subdistrict
succursal
supratrigeminal
Terson syndrome
tube-wall thermocouple
uritrate
weight error