综合生化法

The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture. Now, scientists at Tufts University and the Massachusetts Institute of Technology (MIT) say they've taken the first steps to make

发表于:2019-01-14 / 阅读(43) / 评论(0) 分类 VOA标准英语2010年(十)月

美国准备销毁叙利亚化学武器 The U.S. Defense Department is preparing to test a system it plans to use to destroy Syria's chemical weapons stockpiles at sea. Officials are offering reassurances that the process will be safe. 美国国防部正

发表于:2019-01-18 / 阅读(37) / 评论(0) 分类 VOA双语新闻 2013年12月

Despite his autocratic nature -- he never worshipped at the altar of consensus 虽然乔布斯天性独裁专制,从不寄望于共识, Jobs worked hard to foster a culture of collaboration at Apple. 但他却着力在公司内部营造出一种合

发表于:2019-01-22 / 阅读(29) / 评论(0) 分类 乔布斯传

JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human

发表于:2019-01-27 / 阅读(37) / 评论(0) 分类 PBS访谈环境系列

JUDY WOODRUFF: A few drips of good news greeted residents of West Virginia today, but the fallout from last weeks chemical spill is far from over. There's finally relief for some of the 300,000 West Virginians who've been unable to drink, cook or eve

发表于:2019-01-27 / 阅读(29) / 评论(0) 分类 PBS访谈健康系列

When we remember something, the neurons in our brains communicate with each other in a particular way. The chemical and sometimes even structural changes that occur create a pathway called a memory trace. Signals traveling along these traces are what

发表于:2019-02-23 / 阅读(37) / 评论(0) 分类 英语时差8,16
学英语单词
aerodramus brevirostris
autolyzed yeast medium
beam mould
beryllium acetate
blocking need satisfaction
borehole deformeter
brosen
bump cap
childcot
Cinephotography
color video
come due
complete balance sheet
Coongan
crop and cobble shear
cultivated crab apples
dhuhr
dismissible
do one's duty
dopexamine
dree (la dree riviere)
emergency-response
F.O.R., f.o.r.
female-rotor
field of behaviour
firebars
flammulas
foscari
foundation outline
going along
golden warblers
great bowerbird
ground stroke
helicab
hematobiun
hemstitching
horrifyingly
isochronous stress-strain curve
katherine cornells
kendler
lawn billiards
linden
longitudinal clearance
Lugos
lymphotoxemia
MACCS
mamaguying
MFA
mikania scandenss
mole-basis response
mulluss
Musculus rectus medialis
net delivery price
ninth-graders
nonlysosomal
northern maidenhair
nosologies
notosuchid
odd-numbered channel
Official reserves
omansky
ovarioabdominal
parosonsite
petrol-depth gauge
picometer
polyhydroxyether resin
possessing utility
private judgment
procedural rule
program management system
Pseudagnostus
puberula
pyro-carbonate
questional survey
Rabdosia albopilosa
radiation pattern
re-endorse
return receipt
rig it
roughishness
sequential interlace
series flow turbine
sex education
Sheep-itch
Shelties
shiphoard radiofrequency cable
silicicole
Silver Valley
so far as that goes
soap-based powder
soarant
spot chromatography
sub contractor
take the wall of sb.
Teilhardsaurus
testbed trial
topribs
transformation on variables
transshapes
Troston
vingt-et-un
warranted unemployment rate