强管

发表于:2018-11-27 / 阅读(622) / 评论(0) 分类 赖世雄教你学唱歌

Dad, Can You Tell Me How to Get Rich? My dad put down the evening paper. Why do you want to get rich, son? Because today Jimmy's mom drove up in their new Cadillac, and they were going to their beach house for the weekend. He took three of his frien

发表于:2018-12-06 / 阅读(164) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

By Paul Sisco Washington D.C. 24 January 2008 Wing Power, wave power, people power. Italian inventor Lucien Gambarota tries to capitalize on all three. VOA's Paul Sisco explains in this week's Searching for Solutions report. Lucien Gambarota is a vis

发表于:2018-12-16 / 阅读(179) / 评论(0) 分类 VOA标准英语2008年(一月)

Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有一个健康的身体, 那就不仅需要了解它的外部结构, 更要明白它的内在构

发表于:2018-12-18 / 阅读(107) / 评论(0) 分类 英国学生科学读本

插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass

发表于:2018-12-18 / 阅读(139) / 评论(0) 分类 英文语法词汇

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(五)月

If you splashed down in the Atlantic, you'd flounder on which way to swim. But a hatchling loggerhead turtle would know just where to paddleby reading the Earth's magnetic field. Scientists knew turtles can pinpoint latitude this way, because the fie

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 Scientific American(九)月

Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co

发表于:2018-12-28 / 阅读(106) / 评论(0) 分类 英语PK台

Tornados are one of the most frightening weather phenomena on our planet. Not only are they unique in how they form, but also in how they are measured . A tornados intensity is defined by the Enhanced Fujita Scale. On this scale, the intensity of the

发表于:2018-12-28 / 阅读(156) / 评论(0) 分类 轻松英文阅读

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(221) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 Scientific American(四)月

drain作名词的时候可以指下水道。看见go down the drain这个习惯用语,你头脑里可能会出现这样的情景:有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里,在他还没来得及作出反应的

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 美国俚语

Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 原版英语对话1000个

科学家研究地球磁场 WASHINGTON Most of us hardly ever think about the Earth's magnetic field. We might be aware that it helps guide birds as they migrate and ensures that our compasses point north, but not realize that it is one of the crucia

发表于:2019-01-14 / 阅读(130) / 评论(0) 分类 VOA标准英语2015年(十二月)

Scientists Take on Earths Magnetic Field 马里兰大学实验室复刻地球磁场 WASHINGTON Most of us hardly ever think about the Earth's magnetic field. We might be aware that it helps guide birds as they migrate and ensures that our compasses p

发表于:2019-01-14 / 阅读(124) / 评论(0) 分类 VOA标准英语2015年(七月)

我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词: down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里:go down the drain。 Drai

发表于:2019-01-14 / 阅读(203) / 评论(0) 分类 美国习惯用语

As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get increasingly close to the Earth's surface. As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get

发表于:2019-01-22 / 阅读(136) / 评论(0) 分类 自然百科2011年

It's clear from the fact that the Martian crust is strongly magnetized, that there must have been a magnetic field on Mars in the past, that the only way we know to magnetize rocks is for them to form in the presence of magnetic field. Why did Mars l

发表于:2019-01-22 / 阅读(142) / 评论(0) 分类 自然百科2011年

类缘何而来?猩猩?还是猿?要追溯到更远的话,应该是单细胞生物吧! 纳尼!还不对? 那究竟是什么呢? 今天的节目将为您讲述生命的起源 Life Traces in Lava Don: Can I ask you something, Ya?l? Ya?l

发表于:2019-01-26 / 阅读(123) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-iformes
386
acetone yeast
aesthetic appreciation
be obedient to
blackboard trading
centre of friction
cermet of identification
city regions
classical solution
column definite matrix
correlation triangulation
Curie temperatures
degree of ordinatary differential equation
detonabilities
digital communication
dihydrocoenzyme
direct connected implement
dispersion parameter
distributed data storage
doucheburgers
driving ability
drum movement
eagle leap
electrochemic
engine jet pipe
flash line
frontend loading
frontwoman
Gegenbauer differential equation
generalized divisor function
give sth your best shot
glantons
grab at
graphite-moderated
gray hairs
heavy-lift crane
henri labroustes
hidden enemy agent
highly matched
hitch lifting jack
hopped-up
hydatogenesis
hypertonic preservation
idle air bleed
internal character data
Leakesville
light ship weight
lipolytic action
makiotoshi
Marcothix
maupoil
mechanical paralysis
mesangiolysis
miss-and-out
moonlighty
moot court
N,6-isopentenyladenine
na cham
netherlands guianas
neutralized sulfite liquor
non equilibrium molecular dynamics
nondrivers
NuBus
octapeptide
overpersuades
papachristos
parapses
photoelastic study
piezoid
pigmentary epithelium
plain knit
portable receiver
post-recession
PP (peripheral processor)
ppms
Precambrian eon
pressure cooler
problem solving system
profiteer
propandiolone
pulse repetition frequency jitter
recovering tank
resin craft
row-slave
scenegraph
scraps
seirche
slim missile
software category
sound receiver
sppporting fibers
superimposability
synchronous design
tamm dancoff approximation
the next but one
Tom Sawyer
trabajos
transgressible
ultraspectrophotometer
Vanikoro cancellata
weather map