具端着丝点染色体

By Crystal Park Washington, DC 28 February 2006 watch eWaste report Constant innovations and breakthroughs in technology are helping the world. But there's a downside. The amount of electronic waste,

发表于:2018-12-16 / 阅读(97) / 评论(0) 分类 2006年VOA标准英语(二月)

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 2005年NPR美国国家公共电台

By Mona Ghuneim New York 17 April 2007 The Federal Bureau of Investigation says an increasing number of its cases involving white collar crime, cyber crime and securities fraud are international. In New York, FBI officials discussed efforts to coordi

发表于:2019-01-11 / 阅读(108) / 评论(0) 分类 2007年VOA标准英语(四月)

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(49) / 评论(0) 分类 2010年VOA慢速英语(八)月

The Bush administration is attempting to dampen expectations for immediate government action to save America's troubled car manufacturers. White House Press Secretary Dana Perino responds to a reporter's question at the White House, 16 Dec 2008 Two

发表于:2019-01-13 / 阅读(47) / 评论(0) 分类 VOA标准英语2008年(十二月)

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比,草饲牛肉中某种有益健康的营养素含量更高,并让脂肪呈现黄色,这种

发表于:2019-02-18 / 阅读(87) / 评论(0) 分类 阅读空间
学英语单词
all bottom
alternative copulation
alveolar bones
autovalve lightning arrester
azonal soil
BAE Systems
Blastomycetes
bus-quiet signal
citridesmolase
cockleboat
combine requirements
coscinodiscus curvatulus
cybergroups
decapitates
design environment
diminishing substitution
DOSGEN
ductus paramesonephricus
Ecole
economic gloom
euphractuss
fibulous
flock meter
footband
fromias
front wall firing
fronts
gatel
genus Cabassous
genus ceratonias
give my regards to
graive
high-level syntax
hue and cry
installation and repair service
instrument cubicle
Iso-plus Houdryforming
joint operation of farm business
jute core
kool aid
large intensity
largier
leopard
limiter stage
lining epithelium
locus delicti
low flow period
major radial
Markarian object
Nanga Parbat
national liberation movement
neopentyl halide
no right turn
number tape
o.f
on the merits
over-voltages
Padjelanta
palmitoylated
pci extended
pest control equipment
picket-fence reticule
pigment extender
Pilot Company
PPWP
previous frame prediction
protoctistas
rate of commercialization of agricultural product
re-adhere
recruiters
remainss
Rhododendron watsonii
ribbon iron
richt
root of orbit
safety isles
saudi arabias
sciagraphs
Seper's disease
settling basin (tank)
shortsheet
singlely
superfine frequency
tail-gate-chain catch
take sth amiss
Taraxacum maurocarpum
Tataouine, Gouvernorat de
temefos
thermoplastic resin membrane
tracking module
true anomalies
undersays
undissipated
unimaginative
universal coding
unwanted emission
Ust'-Shcherbedino
violent crime rate
Wagarville
warm-sensitive neuron
wide face drivage