气体交换

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

发表于:2018-11-29 / 阅读(132) / 评论(0) 分类 VOA2005(下)--环境科学探索

Opponents of the Venezuelan government have promised to continue street protests aimed at forcing out President Nicolas Maduro. The opposition warning came a day after at least two people were killed and hundreds arrested in Venezuelas largest anti-g

发表于:2018-12-07 / 阅读(61) / 评论(0) 分类 2017年VOA慢速英语(四)月

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

发表于:2018-12-08 / 阅读(40) / 评论(0) 分类 2018年VOA慢速英语(四)月

Juno Gets a Close-up Look at Jupiter 朱诺近距离观看朱诺卫星 The spacecraft Juno successfully passed close to Jupiter Saturday as it orbits the solar systems largest planet. NASA, the American space agency, said the spacecraft passed about

发表于:2018-12-16 / 阅读(43) / 评论(0) 分类 2016年VOA慢速英语(九)月

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? If there's a line in Vegas on the odds of life on another planet, now might be a good time to place a wager. A study in the journal Science examined 166 Sun-sized star

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(十)月

Superfluid = Super Weird Imagine youre enjoying a nice cool drink on a hot summer day when all of a sudden your cool liquid leaps out of the cup towards the sun, or starts climbing up the sides of the cup and spills over the edge. You might think you

发表于:2018-12-27 / 阅读(133) / 评论(0) 分类 英语时差8,16

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

发表于:2019-01-03 / 阅读(45) / 评论(0) 分类 2018年VOA慢速英语(四)月

Dim and Mysterious, the Planet Pluto Has Scientists' Attention 黯淡神秘的冥王星引起科学家关注 Don't pace the floor waiting for the results of the visit to this far-off hunk of rock, whi

发表于:2019-01-09 / 阅读(375) / 评论(0) 分类 VOA2005(上)--环境科学探索

NASA Reflects on Past, Plans for Mars U.S. astronaut John Glenn first orbited the Earth 50 years ago on February 20, 1962. And when he returned, an adoring public greeted him, along with a burgeoning U.S. space program that propelled men to the moon

发表于:2019-01-14 / 阅读(54) / 评论(0) 分类 VOA标准英语2012年(二月)

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(98) / 评论(0) 分类 TED演讲教育篇

And then our mothers tell us, Careful you don't fall down, because you'll fall over. 然后母亲告诉我们,没有跌倒也要小心,因为你还会掉下来。 Now, go into the real atmosphere of this planet. 现在,进入这个行星真正的

发表于:2019-01-18 / 阅读(92) / 评论(0) 分类 TED演讲娱乐篇

Part III A New Age Dawns 第三部 一个新时代的黎明 A Physicist is the atoms way of thinking about atoms. -Anonymous 物理学家就是以原子的方式来考虑原子的人。无名氏 8 Einsteins Universe 第八章 爱因斯坦的宇宙 As

发表于:2019-01-29 / 阅读(154) / 评论(0) 分类 万物简史

It was he who coined the term Big Bang, in a moment of facetiousness, for a radio broadcast in 1952. He pointed out that nothing in our understanding of physics could account for why everything, gathered to a point, would suddenly and dramatically be

发表于:2019-01-29 / 阅读(53) / 评论(0) 分类 万物简史

For a long time the Big Bang theory had one gaping hole that troubled a lot of peoplenamely that it couldn't begin to explain how we got here. Although 98 percent of all the matter that exists was created with the Big Bang, that matter consisted excl

发表于:2019-01-29 / 阅读(50) / 评论(0) 分类 万物简史

天文学在我们听力讲座里面算是出现频率较高的话题了,在目前所有的176篇讲座里一共有14篇天文学类的文章,且都是比较有难度的,可以说,天文学类算是我们讲座里的一个重点也是难点了。

发表于:2019-02-09 / 阅读(46) / 评论(0) 分类 托福英语

19 The Rise Of Life 第十九章 生命的起源 In 1953, Stanley Miller, a graduate student at the University of Chicago, took two flasksone containing a little water to represent a primeval ocean, 1953年,芝加哥大学的研究生斯坦利米勒拿

发表于:2019-02-17 / 阅读(69) / 评论(0) 分类 万物简史

常用句型科技文章中经常使用若干特定的句型,从而形成科技文体区别于其他文体的标志。例如Itthat结构句型;被动态结构句型;结构句型,分词短语结构句型,省略句结构句型等。 举例如下

发表于:2019-02-18 / 阅读(77) / 评论(0) 分类 英语口译

Scientists Say New Diet May Save Planet From VOA Learning English, this is the Health and Lifestyle report. 欢迎收听美国之音学习英语栏目,这里是健康与生活频道。 Scientists in London say they have found the best diet for both

发表于:2019-02-19 / 阅读(57) / 评论(0) 分类 2019年VOA慢速英语(二)月

17 Into the Troposphere 第十七章 进入对流层 Thank goodness for the atmosphere. It keeps us warm. 谢天谢地,我们有了大气。它使我们有了个温暖的环境。 Without it, Earth would be a lifeless ball of ice with an average te

发表于:2019-02-25 / 阅读(91) / 评论(0) 分类 万物简史

furthermore ad.而且,此外 furthest a. 最远的,最遥远的 fuse n.保险丝,导火线 future n.将来,未来 gain vt.vi.获得 n.利益 gallery n.长廊,游廊;画廊 gallon n.加仑 ga

发表于:2019-03-04 / 阅读(332) / 评论(0) 分类 考研英语
学英语单词
.java
abc assessment
Ackerman front axle
administrative rationalist
aleurocanthus mangiferae
Americanologists
archdruidess
arethusa bulbosas
arthur symonss
assumed frame line
audition coloree
bacterolysis
Bargur
bow-type continuous caster
calcium phosphate secondary
Canyon of Heroes
carbonyl link
chaffur
changing pattern
Co-Trimazole
continuous time dynamic system
Cygnus columbianus
Damnak Takao
detachFromTail
detort
dielectrons
display character generation
Dungarvan Harb.
earthing cable
elementary model
Elsassian
enterprise unionism
enzinopsis incarnata
F. D. P.
FireWire cable
flaccider
fluid-bed process
fracture board
Frank, Robert
fraped
Grandglise
industrial liaison program
isocalciferol
Lactobacillus acidophilus
librations in longitude
light-wave
macromolecular isomorphism
main hoist line
marginal gain
maser preamplifier
matched transmission line
mating design
Mazīdābād
Meniscotheriidae
Menschutkin reaction
merises
midpieces
midstride
miss-and-out
missolonghis
mizner
module-details
mountain produce
neverendings
nigirizushi
nondurable
optical reader
oxidane
parastyles
perforator characters
pleura phrenica
pre-leased
primary barrier
railway rolling stock
re-turned
reafference principle
redirecting surfaces
Rifstangi
Russian alphabet
Salvage and Wreck Removal
samo
self-induced gain modulation
shermen
Sipah-e-Sahaba
softness value
sour cherry tree
standard toxin
Starlix
system access right
telephonic instruction
tonsall
top lifter
tour-of-duty
tracheoscopic
unscoured silk
varooming
voltage-sensitivity
vortex-shedding noise
water-soluble acid in oil
welbies
work storage to auxiliary storage
yackety-yakked