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(54) / 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(327) / 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(321) / 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(175) / 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(112) / 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(89) / 评论(0) 分类 听播客学英语
学英语单词
a longitudinal study
adjectival noun
anacousia
beam shutter
bent bolt
bit complement
blow moulding machine
calape (calapi)
centrifugal booster fan
Chicago cyclotron
combas
combustion loss
complementary solution
constant-stroke injection pump
control rod withdrawal sequence
coprolagnia
courtesan
crataegus coccineas
daishins
dick around
disestablishments
distinguished boundary
draw for prize
dual probing
Duranno, Monte
Eeel Canyon
electrostatic interactions
enthymemes
equivocally
exhausted beet pulp
exopinacocytes
facial tissues
flat pass-band
fruit and vegetable handling
Garapuava
genus ammotraguss
global citizen
gotten me off
gutses out
Hauer
haulm hook
health-code
herceg-bosna
high alloy martensite
hovs
in a cleft stick
in line motor
irrigation interval
kicktail
laxum
Leibnitzia anandria
link to
listeners-in
LMLM
lop sth off
lrdas
Lychkove
maleen
marginal nevus
microphysogobio alticorpus
microwave instantaneous-frequency indication receiver
ministeres
mutual conditioning
oppositional position
ore pellet carrier
overuse of
palmar digital veins
Pedicularis kiangsiensis
plastic covering
Pletenyy Tashlyk
poetic
political end
porto amelia (pemba)
power to-volume tatio
prairie-chicken
proportions of frnit
quartz analog watch
radio stations
resistance to case
Rhododendron genestierianum
ruening
Sarcosperma kachinense var. simondii
scheduling monitor computer
semais
short-rangest
smoke pipe
soft-land surface vehicle
solar infrared radiation
source mover
stand to one's gun
stopped
synthetic ink
theophyline
thiopeptin
type ii problem
unexpired risk
urban contemporary
winchester troper
wolf eels
Wondergun
Y-direction
zero-access instruction