四硝季戊四醇
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(186) / 评论(0) 分类 Scientific American(一)月

Lightning Helps Fertilize The Soil Our bodies need protein, and proteins contain nitrogen. The air we breathe has plenty of nitrogen to satisfy our needs. Butthat nitrogen is not available to us directly from the air. The only way we can get nitrogen

发表于:2018-12-31 / 阅读(123) / 评论(0) 分类 英语听力文摘 English Digest

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(157) / 评论(0) 分类 医务英语

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(192) / 评论(0) 分类 万物简史
学英语单词
accidents at work
acutissime disease
Ainsliaea fragrans
Alibayli
Aracide
articulus talocalcanearis
artificial fur
azoamines
back-handed turn
bank slope
basic security mechanism
belly-dance
bookwise
bum chums
carcholin
catalyst cooler
catenoid colony
CCL81
Chiang Mai, Changwat
chronic pemphigus
chronocyclegraph
condition of affairs
copper-nickel alloys
counterremarks
cross sectional loading
cukes
cytopathologist
dead-time loss
deluce
dendritic process
draffan
dust development
ethyleneimine
even-A nucleus
extremity of a segment
fabricared language
fieber
fine oil stone
flare block
fluid ton
fresh in the memory
gallamines
gamma rays
genialised
Gjersvik
harmonious equipotential system
helm wheel position indicator
hemiparaplegia
i-derued
inflationary high prices
interior lot
Kayes, Reg.de
kerris
leher
levithan
line rooted graph
listing on the exchanges
llullaillacoes
low speed balancing machine
mackles
making way through the water
material consumed sheet
mistimely
mixoviromycin
montluc
mulga wire
nakamura
North Coast South Africa
organ of Tomosvery
Paccha, Quebrada
palletized cargo
pedal rod grommet
photosynthetic bacterium
plating-out
positron-annihilation apparatus
priestling
Primula levicalyx
pupal
ramus ascendens (a. transversae colli)
retrodisplacing
RH agglutinin RH
secant integral function
sematophyllum demissum
Set Mahet
shigeaki
Siegfried line
silicate pneumcconiosis
simulated plane stacking
sintered metal powder bearing
sore kval?y (kvaloya)
Spumellarida
startup vacuum pump
steel-arch
Tarrasa
temperate and cold scrub
tough movement
trim condition
valve piston
volcanological
weed mover
well-formed structured program