un. 〔化〕活性中间体
[网络] 有机反应活性中间体;有机反应活性中间体专题;中间产物

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(221) / 评论(0) 分类 疯狂英语2001年

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(七)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(七)月

HEALTH REPORT – December 4, 2002: Test Warns of Heart Attack Risk By Jerilyn Watson This is the VOA Special English Health Report. Since the nineteen-fifties, American doctors have tested their pati

发表于:2019-01-11 / 阅读(100) / 评论(0) 分类 健康与环境

英语美文-主动与被动语言的重要性 语言是表达自我,交流十分重要的途径。一个人的语言能传达很多信息,包括一个人的性格,思维,态度,生活环境,经历,职业等等。很多时候,我们作为

发表于:2019-01-17 / 阅读(114) / 评论(0) 分类 卡卡课堂早餐英语

HEALTH REPORT-Heart Disease and C-Reactive Protein By Cynthia Kirk Broadcast: Wednesday, January 19, 2005 I'm Gwen Outen with the VOA Special English Health Report. American researchers have found evi

发表于:2019-01-30 / 阅读(175) / 评论(0) 分类 健康与经济

C-reactive protein is an indication of inflammation in the body, and, at high levels, is considered an early sign of future heart disease. It's a risk factor in a similar way that elevated cholesterol is a risk factor for heart disease, says Asheley

发表于:2019-01-31 / 阅读(143) / 评论(0) 分类 VOA标准英语2010年(三月)
学英语单词
abcl/1
action of first impression
ad-strial
aleurocanthus cinnamomi
amway
antherigona (acritochaeta) tridens
bad branch
Barmoi
bituminous mortar
boarding inspector
box wrench set
brandishing
carbenoxolone disodium
carboloy tool steel
cashmere goat
census of agriculture
clove hitches
coal-miner
codon
commoditized
day scholar
Desenitize
direct current, dc
display device
dukun
enamel lacquer
equiplanation
extension ore
federal coordinating officer
gird-brew
glassy transition
Gooderham
grows
groys
GT (gas turbine)
gunstock
iffier
inclined launching way
index of dealer's stocks
interest-bearing instruments in foreign currencies
intraocular surgery
keepup
lake chalk raw soil
large fly-cutting disc
law of railway transportation
Lawrence's factor
lean concrete
levy taxes on
Leydig's duct
Llanbrynmair
lower-case text
lpg electric hybrid vehicle
mass scanning
mastoideocentesis
maternity dress
matte paper
mirror electrodynamometer
molecular sieving reaction
multimedia desktop
non rattling
onglides
Partridge, Eric Honeywood
pearling agent
peat ball
phenazone
photon emission curve
planker
polyfungin
postillating
poythress
preposed
programmable logic controller
property of ownerless
proximity marketing
psychoacoustic model
quite a while
ram-cat
ranunculuses
redcrossed
rfbr
run-time support routine
safari-styles
sapropsammite
schizocoelous coelom
sensereversing
servicewomen
side blowing
sporozoans
subdata
suella
supersonic fighter
Tendre, Mt.
Three-Year Exchange Fund Note Futures Contract
tongue and groove
transplutonics
tropical grasses
unbreakfasted
user-defined format
xerotropism
zodiac signs
zone of ambiguity