赤鲜醇四硝酸酯

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(60) / 评论(0) 分类 医务英语

Next Step After Carbon: Knowing Your Nitrogen Footprint This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of o

发表于:2019-01-10 / 阅读(40) / 评论(0) 分类 2011年VOA慢速英语(四)月

By Bill Rodgers Washington 02 January 2007 watch Memorial report Final respects were paid in Washington today for former President Gerald Ford, who died last Tuesday at the age of 93. Ford's body was moved from the Capitol, where he had been lying i

发表于:2019-01-11 / 阅读(71) / 评论(0) 分类 2007年VOA标准英语(一月)

My Waterloo advanture begins in C* in the southeast of England. These history enthusiasts rehearsing for huge reenactments of the battle some a*'s 200 anniversary. Some have ancestors who were there. When the French army of Napoleon Bonaparte's looke

发表于:2019-01-16 / 阅读(63) / 评论(0) 分类 探索与发现2015年

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(70) / 评论(0) 分类 万物简史
学英语单词
'Eyn Gazān
acetyltoluene
acid protease
air to open
alkyd neulating varnish
antonios
ASCII
barium formate
be stuck up
behenic acid ester
bischop
blind level
breaks up
BRS (branch subroutine)
Bulon Le, Ko
buying exchange
calypsoes
charm off
chrestomathies
circuit drill
circulating capacity
claopodium aciculum broth.
Clause about Inspection of Goods
coccydynia
Cohesion Fund
coop.
dc(data channel)
designerati
desuka
development stage enterprise
disorientings
double monochromator
eigenimage
electrolyte capacitor
exomorphism
failsafe control
fibre optics intensifier
genus afropavoes
genus ameiuruss
glanss
gonad
group b kits
growth stimulant
hair curler
Hicks' papillae
hydrocleys nymphoides
iceless shipper
iminoglycinuric
improbable
job-centered
jumper field
Kitaarima
last forever
length of search
made an assay of
Make a mint
military personnel
molecular thermometer
mosk
nithers
Niticolin
nozzle line strainer
oblique latitude
operating grip
operation number
papavers
pencam
pig ear
post-traumatic hydrocele of tunica vaginalis
proved field
psychogenic polydipsia
refrigerating battery
road project
Rzhaksa
San Rafael del Norte
sccm
selective sliding gear
self-glazing
Sfinarion
shatts
significant wave height
silk cocoons
single-unit machine
smarta
soil horizon
somewhence
stationary gripper coil
stirring apparatus
Strigidae
tail adhesive,
teater
thrustles
tiger wolves
tightly-pressed structure
Toxicodendron yunnanense
tunnel bearing grease
turnout design
unlevelled
vasates digressio
vicktor
Vobkent
Whitmore