四硝基萘

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

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

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(399) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(400) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(250) / 评论(0) 分类 英语对接游戏

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(184) / 评论(0) 分类 健康与经济

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

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(143) / 评论(0) 分类 听播客学英语
学英语单词
agapeists
apical process
Arc of Lowitz
archdeaconry
arcus tendineus fasci? pelvis
associtation polymer
auricular seta
backward haulage
barbiturates
barkest
Batavi
Birmingham Corporation Reservoirs
Bislama
bufferins
bzd
CBJ
cerulignone
China Interocean Transport Inc.
chinching iron
chlorane
chromium complex
circulation in dance
citrus leaf-roller
clintonville
Coalisland
communications management system
conical hexagonal reel
conservatized
deuteroplasm
Dimebenzeozamide
downsea
Dreschhausen
dry bag isostatic pressing
duplicating system
elastic property
electric burn
engaging force
euro-election
external iliac lymph gland
extra-liturgical
fehling reagent
Finnic
fisseha
folk therapy
freight destination
genus leonotiss
gill spun yarn
go (all) to pieces
group divisible designs
harmonic single-force point source
heather honey
hemielliptica
hennig
heteroatoms
hydraulic power station
inductive coupler
island station
Karinainen
Ligamentum latum uteri
like best
liseran purple
load without impact
LR (load ratio)
make one turn in one's grave
Maris Piper
memory scope
methyl violet 2B
monstrous
moving diaphragm element
negative void coefficient
network music player
nominal pressure rating
North Bay
o-carboxycinnamic acid
PC-G
pig-headedly
Platanthera roseotincta
plateys
plaything
price pushing
Quinkan
racial anthropology
redwood-baringer water finder
reel basket
response threshold value
rising intonation
Roegneria sinica
sangar
segidigitate
show little inclination to
silver clad copper
spaced-aerial direction finder
stassfurthite (stassfurtite)
thermochemical ablation
thrust reversing rating
tree-root trust relationship
tropide
tungsten carbide insert bit
unmorrised
Vanndale
working angle (operating angle)
zoonist