音标:['pɔlifluәtetrә'eθili:n] ;
聚四氟乙烯

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(71) / 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(61) / 评论(0) 分类 医务英语

Agriculture Report - Friends With Benefits, in the Plant World 农业报道 - 植物世界的互惠互利 From VOA Learning English, This is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Companion plantin

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2013年VOA慢速英语(三)月

AUDIE CORNISH, HOST: This is what pillow talk on television sounds like these days. (SOUNDBITE OF TV SHOW, I LOVE DICK) KATHRYN HAHN: (As Chris) Why do you think that we are - have been monogamous all these years when we don't even believe in it? Lik

发表于:2019-01-17 / 阅读(86) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Students at the University of Canterbury had only one and a half days of classes before the earthquake on Feb 22nd. The university then closed for three weeks. A number of buildings had red stickers, including the two newest buildings Commerce and La

发表于:2019-01-27 / 阅读(80) / 评论(0) 分类 新西兰英语

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(71) / 评论(0) 分类 万物简史
学英语单词
A.g.b.
adenocarcinoma of lip
all-purpose machine
allitt
Antarctic stare
aufhauser
Avila Camacho, Manuel
Bacterium glaesser
Ban Muang Fai
base leakage
beam-deflection
Bjerrum's metometer
blow-and-blow process
bubbling breakdown
business-cycles
buttload
BYKI
chemoembolizations
classbooks
coincidence double-picture measuring attachment
comb someone's hair the wrong way
community antenna television
counseling psychology
cybertechnology
diose
Eddy Current Separator
entospore
equipment configuration control
Esplegares
estimated theory
express bus
external-device address
extraness
eye ganglion
fibrosclerosis of breast
frame-based
full-functional dependency
genus Scombresox
geochronology
gnatwren
gobble down
gormaw
ground-objects identification
grouped sequential probability ratio test
heave on view
hypocomplementemic vasculitis
indicating control switch
lamina
learned people
LePenism
links links fabric
little bighorn rivers
local fire
lord in waiting
lupoid cutaneous leishmaniasis
magnetic clutch
magnetopolarons
many-particle level
mechanically operated slice
medds
metatect
MHD shock
Mycostoruloides
non-tastor
nutsch
offensive capability
order Pezizales
ouseleys
pancopride
performance equation
peten-itza
PMHR
position relay
producer's risk (pr)
radio-frequency power
rainbows
ranalian complex
recycle acid
reinforcedrib
rejoining
renorming
replaceability
return-type spacecraft
saitama
Shashi
spectral contour plotter
speed regulating valve
Spilinga
spring nuts
standing wave linear accelerator
statistical sorter
sternocleid
stosszahlansatz
sulfato
tragopogons
union member
vayne
vioform
water fennel
well-grounded
worm chain block
yarn diameter