音标:[,tetrә'naitrɔl] ;
季戊四醇四硝酸酯, 季戊炸药

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(187) / 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(160) / 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(406) / 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(407) / 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(254) / 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(187) / 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(194) / 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(146) / 评论(0) 分类 听播客学英语
学英语单词
2'-O-methyluridine
Abies firma
accountant's index
adored
Aleurites triloba
alfred eisenstaedts
aluminum dish
amphispore
annulus tendon ineus communis
astrote
babychicken
bridging-over flue
browet
by my fay
CHINATOW
cistanche ambigua (bge.)g. beck
closed segment
cochlear implant
coefficient of reunion (darlington & upcott 1941)
crown daisy
dicerorhinus sumatrensis
diskette file
dual capacitor
ergologies
error percentage
eucaryotic
eusebias
eximer laser photorefractive keratectomy
expire at
feather papilla
fractional reserve
freshy
galmes
genus Trichostema
gluten washer
had much in common
haxton
hit the slopes
hoof
Hvammur
iatrogenic side effect
ideal plasticity
idle route
in-core movable flux detector
irreversible temperature-indicating paint
jardim
Johnin
k-mart
kaos
khedives
Kwoka, Gunung
LCGME
leslie howard stainers
logoscope
Mallorol
megaIophthalmia
meinhof
mesoboric acid
microtheme
multiple-level subroutine call
Na Khoang
non-gratuitous act
nonsuperconducting
novobiocin calcium
occurrence sequence
olove (papua new guinea)
oriented spindle stop
papuri (philippines)
passagemakers
plane radiography
plausiblenesses
Pratapgarh
prenominal
proposings
protected object space
reliability design approach
rerunning levelling
rotating potentiometer
Rouffiac
schvey
security treaty
sharp entrance
single cab
spectral directional reflectancefactor
spice-wood
spring bender
stinka
submarine surfacing
Sycamore Valley
symphilism
Totril
Trichosporon pedrosianum
undercapitalizations
unfair prejudice remedy
urine formation
watchcap
water sampling
wrette
Y ligament
Z factor
zoyas
zurufi