音标:[,naitrәu'li^nin] ;
硝化木素

Can Wood Be Stronger Than Steel? Researchers say they have created a new super-material in the laboratory. They say it is stronger, lighter and costs less than steel. 研究人员表示,他们在实验室中造出了一种新的超级材料。他们称

发表于:2018-12-08 / 阅读(106) / 评论(0) 分类 2018年VOA慢速英语(三)月

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(396) / 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(395) / 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(247) / 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(177) / 评论(0) 分类 健康与经济

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(141) / 评论(0) 分类 听播客学英语
学英语单词
-bosomed
4-(4-Methoxyphenyl)-2-butanone
absolute endorsements
absorption nebulas
absorption term
amphitheatric
angle of yaw indicator
aspergillum
Baire set
biliary fever
biological defense
boronian
butter-ham
calculated wind pressure lever
Camellia acutiperulata
cark-
catadrome
charge site initiation
cineloop
climacters
cloud ear
coalescent aperture
cocked position
color synchronizing burst
Conflict Law
crude oil stabilization
cyclically magnetized condition
cyclops hypognathus
D-Sorbitose
deep drawing under high pressure
deep well working barrel
delphintum hensyi french.
depth of compensation
electromagnetic propulsion
Hangklip, Kaap
hard-luck
hoe-trac sickle bar
horse power output
hyphodontia subalutacea
Ibina
imbrewed
immanences
inner-directed behavior
internal screw tube
interrupt queue entry
ischiodymia
john cages
labeled avidin-biotin method
limited-edition
madreporacean
malunited fracture
manned orbital-operations safety equipment (moose)
medical aesthetic scope
menas
microplanktons
minor in
modernises
monsoon air
natural running temperature
network access
normal barrage
Oberstadtfeld
outer ring spacer
parallel offset route
pavement marker
Pierre Larousse
poly(vinyl fluoride)
prototype project
quahogging
radar engineering
renoduodenal
retailer
rhipidistia
Rocard scatter
sadda
scrap yard
sea fight
secket
shapen
short-form audit report
snifters
spectral luminance
standard zation of wood
standing sub-committee
states of the art
system design generation
tauranga har.
Test Valley
the-how
time-exposure
tostart
tower pier
two-world
unentangled
unit head tapping machine
venae thoracoacromialis
water - based ink
winding factor
Windross
yrifled
Zacin