四溴化乙炔

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 医务英语

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(160) / 评论(0) 分类 农业与发展

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(129) / 评论(0) 分类 VOA2003(下)-环境与健康

AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land

发表于:2019-01-30 / 阅读(133) / 评论(0) 分类 农业与发展

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(149) / 评论(0) 分类 万物简史
学英语单词
'Alāmarvdasht
Ambinaninony
amniotic lateral fold
back straights
bocky
Bowditch lsland ringworm
broadcast reception equipment
bronzitfels
Buckles B.
bumblebee models
canalicular adenoma
candacia varicans
carthamus seed
casd
Ceriana
clip end
closed-endeds
clubwoman
concentuss
condition of intersection
congeliturbation
coochy
corpse camps
Corydalis filisecta
counteritelligence
cranked fishplate
culture pond
delicadas
digital frame storage
direct product representation
dynamo van
electrolytic aluminium capacitor production line
email bombing
entertainment shares
exciting flux
explanationists
fall-away
fast food
federal jurisdiction
go for the doctor
Greekly
groundworker
haggle over
helado
hydrogen chamber
ioduretted
jasmyne
judgement blank
Knyazhitsy
Langenselbold
lateral stopper mounts
lebewohl
local rotary connector
locating bearing
locustella pleskei
loschmidt reversibility paradox
luiks
Mashike
mass-distributed
metaflows
minnillo
molecular taxonomy
murgatroid
nanoscale
networked device
Ngonga
non-commuting
northernaire
offset bit
Oph
orale
overlay command set
parametic fault
pigling
polishing filter
precision analysis
psamathophilus
raichu
reservation utility
rhopalopsole dentata
scda slag
sedney
Sedom (Sodom)
silicon bromide chloride fluoride
single plane crankshaft
sleepwalkings
spade husbandry
surface void
swing circle radius
tape alphabet
Tarnaméra
tilt adjuster
tissues
Tombini
turbine-driven
turned-out
valve-spring cotter
vcip
vegs out
weatherproof cable
written-off
zungenbecken