上凹曲裂面

EXPLORATIONS - November 6, 2002: Space Digest By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell ab

发表于:2019-01-02 / 阅读(35) / 评论(0) 分类 Explorations

Technology Report - Microsoft Competes Against Apple With New Tablet 科技报道 - 微软推出Surface与苹果iPad竞争 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Microsoft has announced its

发表于:2019-01-12 / 阅读(49) / 评论(0) 分类 2012年VOA慢速英语(六)月

China's first Mars voyager mission is expected to be launched around 2020 and reach the Red Planet a year or so later. The computer generated images unveiled by the Chinese State Administration of Science, Technology and Industry for National Defense

发表于:2019-01-19 / 阅读(47) / 评论(0) 分类 2016CRI中国国际广播电台

HONG KONG, Sept. 9 (Xinhua) -- The Hong Kong Polytechnic University (PolyU) announced Friday that its surveying experts had successfully developed methodologies for precise mapping of the Moon, after intensive analysis of the data captured by the Chi

发表于:2019-02-02 / 阅读(50) / 评论(0) 分类 英语新闻

It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto

发表于:2019-02-24 / 阅读(74) / 评论(0) 分类 英语听力文摘 English Digest

Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai

发表于:2019-03-09 / 阅读(99) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
1-nitropropane
5-hydroxymethyl-2-furfural
actinocarsin
adjustable
Al clad
alkalified
Allium neopolitanum
alternating dry and wet test with sea water
Ambidedi
analytic continuations
automatic abstracting
automatic terrain following system
Baudrécourt
bearing counter pressure
beater shaft
beesh
blank diskette
borad
brokling
coefficient of transpiration
coherent signal
comlosu mare
compensation rod
conchiolin
concurrent access protection
condition of uncertainty
creepy-crawlies
cutinise
cyclohedron
deep branch
deviation of plumb line
directly buried installation
doo-wops
Eriocaulon sclerophyllum
external perspective projection
factory calibration
filter-paper test
foreign aid program
forfeit bail
forged trade mark
free floating of capital
fried pomfret
fuad
GAL-ACT
geocell
glandular cheilitis
Gleason's theorem
groups of
health centres
high-use
humphris
indisposition
IP switching
irradiation of pain
kanchanjangas
Kiambi
konjacs
Laboratory Schools of the University of Iowa
lenat
long haul traffic
lower tester
LVFT1
Madurella mycetomi
marine gearbox
milk
munidopsis andamanica
myers rating
navicerts
No wisdom like silence.
noise budget
nombre fondamental (matthey 1949)
nonpertinent
nozzle inspection
ochna serrulatas
one-night
OP Magnetic
ordered
parapolybia nodosa
photomotion
pig-fucker
podopterous
rain and snow mixed
receipts and payments report of operating income
restorator
rigis
root-bark of tree peony
roussettes
sago meal
Tan An
tennenbaum
too slow
transforate
twenty-percent rule
ultrasonic tester
unfacetiously
urogynaecological
vacuum gripper
vintage-styles
visual studio
waxes poetic
wear loss
weed-control method