哌嗪,驱蛔灵

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(62) / 评论(0) 分类 国家地理2008年

By Al Pessin Pentagon 15 May 2006 In a speech on immigration policy Monday evening, President Bush is expected to announce an expansion in the use of National Guard troops along the U.S.-Mexico border

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 2006年VOA标准英语(五月)

This is IN THE NEWS in VOA Special English. More than six thousand people died last year in Mexico's drug wars. So far this year the violence has only gotten worse. More than one thousand people have already been killed. Police have become common ta

发表于:2019-01-11 / 阅读(40) / 评论(0) 分类 VOA慢速英语2009年(三)月

By Greg Flakus Houston 12 July 2006 In Mexico, leftist presidential candidate Andres Manuel Lopez Obrador continues his efforts to challenge the narrow result from July 2 election that gave victory to ruling party candidate Felipe Calderon. Meanwhil

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 2006年VOA标准英语(七月)

By Meredith Buel Washington 03 August 2007 U.S. judge has entered a not guilty plea for a Mexican businessman charged with conspiracy to produce large quantities of the illegal street drug methamphetamine destined for the United States. It is the lat

发表于:2019-02-07 / 阅读(70) / 评论(0) 分类 2007年VOA标准英语(八月)

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(147) / 评论(0) 分类 自然百科2008年
学英语单词
add the weight
adiabatic process
African lion hound
altitude hypoxia
artificial crystal
at pains
atetylate
bagenalstown (muine bheag )
BDN
bending section
Bogoria, L.
bulked glass yarn
center crank arm
cephalium
channel pool
chassis dry mass
chloroallocinnamic acid
coefficient of eddy conductivity
color theme
competitor analyst
controlling traffic
corporate vertical marketing systems
crying up
crystallization curve
cya-
Czarna Woda
debtor bank
Dextromethmorphan
diamyl ester
domain slamming
Duflo
Elachanthemum intricatum
electroline
endurance impact test
epidemiological process
field suppressing resistor
fish-type body
flat-plate lamp
Frohn's reagent
fulgurating migraine
full-grown plant
gang hook
Gow.
heptachloro-tetrahydromethanoindene
high-speed cam mechanism
hukm
hyperargininemia
inactive plate
indefeasibly
indian shot
inflectional variant
intaglio (printing) paper
karob
large imperial
latex (pl. latices)
like there was no tomorrow
marls
martensitic range
medullar
merchantical
nashis
Neuberg's scheme
noninductive resistor
open data center
order Aplacophora
overall anglysis
parabolic operator
parallel-series switch
paroemiology
pasto
pavemental
Peitho
people's democratic system
piz
pre-pious
pro bono legal assistance
propeller drive shaft
put up for sale
readable
red giant star
Ree's torsion anemometer
regenerative pump
remain to be seen
retem
rhodobryum roseum(weis_)limpr
sat chit ananda
scutation
semiballistic
smashes in
smoodging
subtle energy
thermal admittance
total gain
total pelvic cleaning
twelvemo
two-minute hate
typical digital automatic computer
underthrow
V-type ammonia compressor
vacuum bottles
xylosmas
zinc (electro)plating