四硝萘

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(232) / 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(218) / 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(454) / 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(480) / 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(313) / 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(251) / 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(247) / 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(189) / 评论(0) 分类 听播客学英语
学英语单词
anomalous extinction
anzalone
artificial ag(e)ing
balchin
behavioral implications
blood-pressures
BMEC
bone seekers
bushpigs
Cadorago
carcass evaluation
Cardiamid
cassia mimosoides l.var. nomame mak.
chowmatistic
circinella umbellata
compound solvent
congenital tuberculosis
counterbluffs
cross-hatched twin
delayed neutron monitor
desoxypentose
dhi
dialystely
dispelled
donati
emanation coefficient
endothall
eseramine
exotic material
fatigue-bending test
folium photiniae
fucugetine(garcinia spicata)
fusted
gant
general conception for drill stem testing
go rotten
grass vetch
gryllid
had out
have it all over someone
hedgehog cereuss
hepatotoxic photosensitization
Herreid
hexari
hold file
homeorhesis
huelgas
Instagrammed
internal colonialism
irreducible case
leadership life-cycle theory
light refreshments
low-foaming surfactant
made conditions
make the worst of both worlds
methylpyrimidine
militaris
mill table
mixture ratio controller
mogel
monohydrides
mos structure mos
neck volcanic
nonclustered
nutrient canal of bone
observer bias
operating control device
overall frequency response characteristic
papulonecrotic
preread disturb pulse
press view
private person
race-goers
random recruitment
rarebits
reversing colour sequence
rhommamool
sasparillas
service element
sesquicentennial
sharing of foreign exchange earnings
shukers
sigma amplifier
single-disk opener
sissonne doubl?e
sodium carbolate
soma-dendritic spike
Son of Man
Sophora wilsonii
spanish-styles
spasmo-cibalgine
SSTV
stiff shoulders
symmetric barycentre
taken along
the rainy season
thermo-hydro setting
uncertain figure
une
updoes
wide angle v belt