微小附着物

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(297) / 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(27) / 评论(0) 分类 2018年科学美国人5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(50) / 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(54) / 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(26) / 评论(0) 分类 自然百科2011年

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(90) / 评论(0) 分类 英文语法词汇
学英语单词
addax
agaroid
alternate fuel
any other perils
available mode
banker's transfer
Bitola
bujic
burnah
carboxypenicillins
Chatfield-Girdleston splint
check-valve case gasket
chip positioner
clinker planking
closed cooling water system pump
colo(u)r optics
comical
coprotagonists
crosley
crura rectilineum
debt financing
dently
Derevyanka
discord harmony
donnell
encryption certificate
Exodusters
extra weft
failure checking
fired magnesite brick
four high continuous hot strip mill
fraud-on-the-market
genus Cynocephalus
ginnle
hepatopathies
hoegauite (natrolite)
hudud
humbaba
hypermetamorphism
inching grinding
industrial revenue bond
information return
infraglacial deposit
interpend
intraarticular ligament of costal head
jean-maurice-emile baudot
Joint stock partnership
kawakita
key account management
Kānchanpur
lamintaed wrapper
land-sea
leadlights
Lithocarpus phansipanensis
locally distributed processor
Malino, I.
moustafa
nicotinoylhydrazine
noise control equipment
noncognate
nonproliferative
norridge
nuclear test site
nuclear-related
nuwws
openfile
outlet capacity
over-centralized
pancreatic disease
parametric variation
perboric acids
plan chart
port commissioner
port limits
press-baler
prismatic camera
pro-eutectoid cementite
radar infrastructure
Ranunculus chinghoensis
rate and route computer system
re provisioned
rerun dilution factor default
rodent
safety lead time
Scrophularia chasmophila
scrotum lapillosum
seydou
smaragdochalcite (atacamite)
spring wire
Steak and Kidney
structure gene
tetanizing current
unpackage
unvetted
upfield shift
URQ
video processing
vine cotton
water constants
yttrium aluminium garnet
zygodactylic