大陆增生

In January 2000, John Dubinski set out to calculate the final fate of our galaxy, the Milky Way, and that of our nearest neighbor, Andromeda. The Andromeda galaxy is actually falling towards the Milky

发表于:2018-12-07 / 阅读(574) / 评论(0) 分类 超大质量黑洞

Mars Lander Will Peer Inside Planet Absolutely spectacular missionand its not a rover, its a lander. Its designed to land and deploy several instruments. 这是一个绝对壮观的使命......它不是漫游者,而是着陆器。旨在登陆和部署

发表于:2018-12-24 / 阅读(298) / 评论(0) 分类 2018年科学美国人5月

The earthquake that struck near Mexico City Tuesday came exactly 32 years after an 8.0 magnitude quake hit the area. The 1985 earthquake killed nearly 10,000 people. Mexican officials say more than 200 people are confirmed dead following Tuesdays qua

发表于:2019-01-03 / 阅读(498) / 评论(0) 分类 2017年VOA慢速英语(九)月

Greenspan Predicts US Job Growth Soon Barry Woods U.S. central bank chief Alan Greenspan told a congressional committee Thursday that the United States must resist protectionism . Mr. Greenspan told t

发表于:2019-01-07 / 阅读(287) / 评论(0) 分类 VOA2004(上)--各类新闻

Mars is a planet of outsized splendor. Despite being only half as big and a tenth as heavy as Earth, it bears the solar systems tallest mountain, longest canyon and largest crater. At 22 and 12 kilometers wide, however, its inner moon Phobos and oute

发表于:2019-01-20 / 阅读(306) / 评论(0) 分类 2016年Scientific American(八)月

The glowing region is the accretion disc, star debris falling inward, would turn round in the maelstrom heated by frictions to such high temperatures that it glows white hot. So at the center of our galaxy, we do have a black hole. We now know that t

发表于:2019-01-22 / 阅读(296) / 评论(0) 分类 自然百科2011年

Scientists say the surface of the Earth is cracked like a giant eggshell. They call the pieces tectonic plates. As many as twenty of them cover the Earth. The plates float about slowly, sometimes crashing into each other, and sometimes moving away fr

发表于:2019-01-22 / 阅读(481) / 评论(0) 分类 英语时差8,16

Idiom: On the wagon 成功戒酒 Hit the book: Scale Descend Mariana trench Crescent Scar Peak Trough Tectonic Collide

发表于:2019-01-22 / 阅读(348) / 评论(0) 分类 趣味青春英语

火山爆发 The Eruption of Volcano abundant adj. 丰富的,富余的 accretion n. 增长 accumulation n. 积聚,堆积物 active volcano 活火山 Alaska Volcano Observatory 阿拉斯加州火山观

发表于:2019-02-02 / 阅读(395) / 评论(0) 分类 英文语法词汇

If you live up in the mountains, understanding the continually shifting landscape can mean survival. Mountains are continually shifting. Erosion wears mountains down, but active mountain ranges are also continuously rising. And heres the interesting

发表于:2019-02-24 / 阅读(301) / 评论(0) 分类 英语听力文摘 English Digest

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(343) / 评论(0) 分类 万物简史
学英语单词
acceleration-cancelling hydrophone
artificaial fertilizer
autosensitibility
background reader
balanced-unbalanced circuit(balun)
Bombax macrocarpum
bpx
break release
broad tapeworm
businesspeak
camco
camouflet
cancilla gloriola
Cartesian geometry
Ceratopteris pteridioides
CEVd
Chisasa
cographical matroid
coital
compression adiabatic
crackle test
curator bonis
designators
differential stage
disabled motor switch
economic efficient science
electron positron storage ring
elektrostatische
environmental chemistry of marine inorganic matter
euro-creep
excursionists
flat ends
genus saururuss
godder
goods tariff No.
government to government crude oil
Grunbaum-Widal tests
halny wiatr
hand picked
Hargshamn
hemigigantism
illusion and delusion
internasal sutures
jamming transmitter
jbl
lacrosse stick
liberal state
lonchopterid
make proposals of for
man of one's word
mandolinist
monobenzone
nickel refiner
niefe
non-methane hydrocarbons
output register
paper rounds
parabauxite
Perlas, Arch.de las
photodecarbonylation
pooled buffer
post-Christian
praefectus annonae
preparative scale chromatography
provisoire
public properties
purple everlasting
quasi-linear feedback control system
random bred
remote controlled radar
retransfect
right angle
saw band
shit money
specifying of train
spider shaft
splay sandstone
squamosity
Sredniy Vasyugan
sum of squares
support stand
sweatin' balls
system disks
tabasco redpepper
term appointment
thematic element
theoretical integration
thin film gas sensor
timberlines
Tongass National Forest
tova
trance coma
transverse nerve of neck
turn-key job
twostory
unoto (kenya)
veloured
virtual address memory window
visual illustration
visuoauditory revival
word senses
zinc bromide