正地槽构造

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(176) / 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(99) / 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(441) / 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(111) / 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(101) / 评论(0) 分类 2012年VOA慢速英语(一)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(113) / 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(111) / 评论(0) 分类 万物简史
学英语单词
a. musculophrenica
ADPRT
aegista impexa
aralia thomsoni seem.
Artemisia annua
autobiographism
automatic dispatching
bad credit
balance with removable pan
balanced method
block-type turbine
blue milk
braudy
Bulmanograptus
champion
chemical brownstain
ciardulli
continuous arch
cradle scaffold
d-phenylalanine mustard
daubery
dichloromalic acid
dissolved orgainic matter (dom)
earthing device for portable instrument
eccentric jaw relation
electrocyte
electronic print marking
enewsletter
engrape
epoxy polyamide adhesive
excessive rain
face nailing
facefucks
fallout shelters
familial hypophosphatemic rickets
for-rue
form normal
frantic
full beam detector
gertrude caroline ederles
ghost signal
Great Lakes ore carrier
heartedly
highteches
independent drive
intermediate dentin
internal lamination
jet pump diffuser
Kadazan
land-fall
lawn mowers
lawyer-readable
left eigenvectors
lever type grease gun
line print terminal
linear measurement
linguistic patterns
make out of
medical appliance
mepiperphenidol
Mimoso do Sul
mordant color
nervios
nihart
non metallic inorganic coating
noncomposite color picture signal
once-perfect
ordering strategy
palladium(ii) rhodanide
pentagonale
pentothals
permo-carboniferous system
petition for rehearing
phenoxy acid
plans for river basins
polyphenylene sulfide (pps)
postmaterialism
potiches
project bidding
prolonged gestation
protection from fust
recording function
recording trunk
rejuvenescency
releasing stuck by oil spotting
renal circuIation
Santa Cruz de la Palma
sarangis
Saxifraga perpusilla
single curvature parts
siphonic action
slip dislocation
sunbitterns
the Church of England
track gauge and level
travel(l)ing bed
unidirectional aerial
uvomorulin(E-cadherin)
Venus's slipper
visual-aural range
wash box
winnebago