去甲基表紫鸦片碱

Education Report - Another Look at Massive Online Open Courses 教育报道 - 再谈网络公开课程 This is the VOA Special English Education Report. 这里是美国之音慢速英语教育报道。 Last week, we talked about Massive Open Online C

发表于:2018-12-07 / 阅读(29) / 评论(0) 分类 2012年VOA慢速英语(三)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(六)月

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(89) / 评论(0) 分类 农业与发展

By Margaret Besheer Baghdad 02 July 2007 The American military says it has evidence Iran is using the Lebanese Shiite militia group Hezbollah as a proxy to arm Shiite militants in Iraq. Officials also say Iran's elite Quds Force was aware of and help

发表于:2019-01-12 / 阅读(108) / 评论(0) 分类 2007年VOA标准英语(七月)

LOS ANGELES, Nov. 9 (Xinhua) -- Actor Eddie Murphy stepped down on Wednesday as host of the 84th Academy Awards telecast, a development which comes a day after show producer Brett Ratner exited due to use of gay slur. The comedian has withdrawn as ho

发表于:2019-01-26 / 阅读(56) / 评论(0) 分类 英语新闻

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 经济学人科技系列
学英语单词
acoustical signature
air content
aracing
Archichlamydeae
aromarama
Association for Computing Machinery
attacking clear
auxiliary lever
Ban Na Noi
bernoulli's constant
bigler
blast furnace sulfur production
boogaloo
burst of rail base
capsule gauge
Casuarius
caveli
cavity coupling system
changchou
citrus grass
commutating capacitor
complete circuit
computer literacies
core point
cubic expansion coefficient
cyclothymia
data skew
descending face
diethyl oxaloacetic ester
diphenyl glyoxalone
diphenylimidazolone
directional damper
Diskette2D
double system
dyslipidaemia
eristalinus lugens
esoprone
euglyphids
family plasmodiidaes
flare-out
flexible storage vessel
flour lorry
focal length
foraminulum
gas gauging
gating system plan
genus agrostiss
Gerzean culture
go slick
harlean carpenters
hell to pay
HVDS
hypoplastron
intracellular canaliculus
inventory layer
lepra indeterminata
Loropetalum chinense
medicinal flavours
meridional canal
motor driven feed pump
Norphlet
Obnova
omphalomesenteric
ongrown fish
optocoel
ore-bearing rate
output power of sound transmitter
overdaring
parallel import
Pelorus Sd.
perichymate
perivascularity
Petromus
population of levels
preconfigure
prerogatival
private dicks
proidonite
punishability
quaded
raskey
re-structuralization of trade
rebar
school attendance officer
semiconductor device mechanical factors
semimutes
single-way connection
Snezhnogorskiy
spot noise to carrier ratio
starman
stigm-
student activism
superlie
supersedable
taxocenes
terpitzite
tetraiodo-ethylene
time lapse indicator
unseem
urethral chill
Violette
xerosis infantilis