中心性晕轮状视网膜脉络膜萎缩

comet urge kidney sham continental certainty propulsion delegate derivation fowl tile denote deprive consolidate shutter depict nurture notion hover royalty deficient misery deliberate discrete orient

发表于:2018-12-01 / 阅读(85) / 评论(0) 分类 用Mp3背六级单词

Semiconductors, or microchips, have been changing the way the world works for the past half-century. The technology has made radios, televisions and mobile devices commonplace. In advancing the technology, researchers are now focusing on superconduct

发表于:2018-12-02 / 阅读(81) / 评论(0) 分类 2017CRI中国国际广播电台

Visionary Ideas Could Transform Future NASA Missions NASA, the U.S. space agency, has awarded $3 million in grants for 30 proposals which explore new ideas for Americas next generation space program. The proposals reflect wide-ranging visions of new

发表于:2018-12-16 / 阅读(40) / 评论(0) 分类 VOA标准英语2011年(八月)

Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s

发表于:2019-01-12 / 阅读(55) / 评论(0) 分类 2015年VOA慢速英语(六)月

NASA Working Toward Mission to Mars The head of the National Aeronautics and Space Administration, or NASA, said that the space agency is on track to land people on Mars in the 2030s. Charles Bolden is the administrator for NASA. He said that five ye

发表于:2019-01-12 / 阅读(54) / 评论(0) 分类 2015年VOA慢速英语(五)月

MARY LOUISE KELLY, HOST: We've been reporting a lot on the U.S. threat to impose tariffs on some $150 billion worth of goods imported from China. Beijing is promising to retaliate. One big source of tension is that the Trump administration says for t

发表于:2019-01-16 / 阅读(51) / 评论(0) 分类 2018年NPR美国国家公共电台4月
学英语单词
3com
ambiguospinothalamic
amplimeter
anderoons
antoine dominoes
Armillaria ponderosa
at the tender age
atretic body
aussas
big eater
binary-coded interrupt vector
black-necked cobra
carbuncle on dorsum of foot
Carruthersella
caulin
CF (conversion facility)
chemistry of petroleum hydrocarbons
Chihpien
cladosclereids
cloud cover
cobalt pyrites
Codonopsis convolvulacea
computer case
control configuration vehicle
Cotoneaster lacteus
cowgh
Crisana
cupola organ
curns
curry tree
dearator
degree of normality
denumeration
dithematic
eddy wind
ethography
ethylenediamine tetrakis (2-hydroxyisopropyl) di-oleic acid
expanding arbor
extension of continuous functions
factbox
frogmarched
Green Mountain State
half-a-century
high moor sphagniherbosa
incisa lesion
incomity
induction of labor
insulating pipe
limiting orifice
liner spacer
low-lifers
macdermid
mass-transit
maximum scan
Mrs Mop
nauseated
nonpleading
octylresorcinol
omni-bus
orthocentrus fulvipes
pachomius
paniculide A
penile plethysmograph
Phaseolus coccineus L.
phyllosticta theaefolia hara
physical sequential
pocketwatch
point-of-sales
polluted estuary
positive phase
proof ground
pseudacusia
recovery of late payments
Red Jacket
relatively-prime graphs
report group
role relation
sandwicensis
self-incriminate
semi-floating axle shaft
shroud stopper
skiving
steel tubes for petroleum cracking
stereoplates
suspensory
terminal affinity (darlington 1932)
the mostest
the swing of the pendulum
transradial
triricinoleiden
tropospheric effect
turn somebody's head
twin aggregate
ultimate target
underground ice
valeri
weather protected
Wenzenbach
wing one's flight
wouled
wrottesley
yankee paper machine