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It may sound silly, but its really a good question, because weightlessness does make a visit to the latrine a tricky proposition. Weightlessness poses two main problems in the bathroom. The first is that an astronaut could drift away from the bowl at

发表于:2018-12-31 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

In the 1960s, during the earliest space flights, no one knew exactly how weightlessness would affect eating and drinking. Would food fly off a plate? Would astronauts have digestive problems, with no gravity to help things along the digestive system?

发表于:2018-12-31 / 阅读(69) / 评论(0) 分类 英语听力文摘 English Digest

BBC Learning English People and Places Speak English like a native! Amber:Hello! Today, we learn how to speak English like someone from Yorkshire, in the north of England, and like someone from the USA! Our teacher is Penny Dyer shes one of the most

发表于:2019-01-11 / 阅读(346) / 评论(0) 分类 人与地方

Topics: Ask an American: Being a single woman in the US, obviously vs. apparently, sorrow, to delay vs. to postpone vs. to defer Words full gradual to be partnered with to decorate to be willing and able to entirely satisfactory equality mutual commo

发表于:2019-01-22 / 阅读(65) / 评论(0) 分类 美语听力 English Cafe

查看译文 tips: 怎样阅读才是有质量的阅读了? 中英对照请点击【中英对照】查看译文请点击 【查看译文】进行核对。 The Biggest Magnet 最大的磁体 A: Whats the biggest magnet ever? B: Well, that's a great

发表于:2019-01-26 / 阅读(86) / 评论(0) 分类 英语听力文摘 English Digest

查看译文 tips: 怎样阅读才是有质量的阅读了? 中英对照请点击【中英对照】查看译文请点击 【查看译文】进行核对。 Pens in Space Legend has it that NASA spent a million dollars developing a pressurized ballpo

发表于:2019-01-26 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

对于外太空,亲,你知道多少呢?旅行者号,你知道吗?太阳风,你知道吗如果你的答案是no,那我们都是一样的哦,宇宙太奇妙,需要一代代人不断去探索.今天我们就来讲讲我们的太阳系 The Real Final Fro

发表于:2019-01-26 / 阅读(70) / 评论(0) 分类 英语听力文摘 English Digest

Frozen Smoke 固体烟 Male: What's as light as smoke but strong as a brick? Female: I'm gonna take a while guess and say... aerogel ? Male: Sorry,yaoyao,the answer is... Wait a second! Did you say aerogel ? How did you know? F:Yeap! Did you know tha

发表于:2019-01-26 / 阅读(81) / 评论(0) 分类 英语听力文摘 English Digest

Its 60 feet long, made of lightweight, fuel-efficient material and can carry eight people out of this world and back. The first commercial spaceship was unveiled by Sir Richard Branson, who hopes to start passenger trips within two years. The price t

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 英语听力文摘 English Digest

By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt

发表于:2019-01-31 / 阅读(101) / 评论(0) 分类 2007年VOA常速英语(十月)

Topics: Ask an American: Saving the space program; point versus period versus dot; using no with a verb; all the same Words: vehicle astronaut orbit to hitch a ride to imply to stoke innovation golden era space exploration driven by to shift outlook

发表于:2019-02-15 / 阅读(81) / 评论(0) 分类 美语听力 English Cafe

Hi there, I'm Ricky with the BBC World News for Children. It's Monday the 24th of May. Coming up: South Korea freezes trade with North Boy becomes youngest person to climb Everest and Inter Milan are crowned European champions But first - South Korea

发表于:2019-02-16 / 阅读(91) / 评论(0) 分类 英语听力文摘 English Digest

If you find yourself away from a city, spend an hour looking up on any clear, moonless night. You're bound to see a few brilliant shooting stars. These actually have nothing to do with stars: They're meteors, and if your viewing conditions are good,

发表于:2019-02-16 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

MOSCOW, Oct. 24 (Xinhua) -- The Russian Space Agency Roscosmos confirmed on Monday the list of next crew members who will fly to the International Space Station (ISS) on Nov. 14. Russia's Soyuz TMA-22 spacecraft will bring Russian cosmonauts Anton Sh

发表于:2019-02-18 / 阅读(104) / 评论(0) 分类 英语新闻

Topics: NASA; Famous Americans: Jackie Robinson; conference versus meeting versus session; second to none; narrative versus story Words: outer space to spur on space race advocate to orbit height of (something) league segregated fan racial slur to un

发表于:2019-02-23 / 阅读(50) / 评论(0) 分类 美语听力 English Cafe

Whats That in the Sky? 不明飞行物 In his book Cosmos , the late scientist Carl Sagan talks about the way in which the earth is regularly struck by material from outer space. These collision s with space debris can be minoras in a shooting star o

发表于:2019-02-24 / 阅读(85) / 评论(0) 分类 英语听力文摘 English Digest

Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗?来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe

发表于:2019-02-24 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest

Terrestrial Planet Finder 瑞士科学家米歇尔梅耶带领欧洲科学家小组宣布发现了一颗新的可能适宜人类居住的星球,现在,他又制定了更大的目标:寻找地外生命的迹象。该发现小组的成员斯蒂凡尤

发表于:2019-03-09 / 阅读(129) / 评论(0) 分类 英语听力文摘 English Digest

Sugar bowls and hole 孔隙是岩土固体矿物颗粒间的空间。岩土中直径大于1毫米、重力水可于其中自由运动的孔隙,是大孔隙(macro-pore,large pore)。岩土中直径为0.01~1毫米、重力水和毛管水可存其

发表于:2019-03-09 / 阅读(109) / 评论(0) 分类 英语听力文摘 English Digest

Youve Got a Lot of Space between Your Ears Sure, you think the world is full of solid objects. You think the radio youre listening to is solid. You think the floor youre standing on or the chair youre sitting in is solid. Heck, you probably think tha

发表于:2019-03-09 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
agency labour
artifactually
axis
baronage
betar
breaker points
Calleja's islands
chicken flu
circular-groove-crack test
company on the basis of shares from its workers and staff
conformers
consequent on
content type indication
coromandel laquer
cowling
cpgc
crucifixion attitude
dickcheese
director general
DL-4-Fluorophenylalanine
dogfuckers
dual channel audio
durrey
embargo act
empty-field myopia
experimental high energy physics
extra strong
feel yourself
feldmannia indica
Fibonacci polynomial
fixed-bed ion exchanger
flood diversion sluice
fluid surface
ftp URLs
gain work experience
gasunie
good self
graphite to silicon carbide couple
gravimetric unit
Hallikainen sliding-plate viscometer
hc mixture
heat-resisting alloy steel
heavy soda ash
intravenous pyelographies
iodine number of fat
laughter-lines
light-up plug
match of the day
mechanical track aligner
menne
metal-powder magnet
microcline twinning
misbound
mixing-bowl
moaiss
mollielast
Near-Easterner
non-polynomial Lagrange
nonsymmorphic
odds favoring advance
paediatric internal medicine
painting environment
performance contracting
phenylethylhydrazine
PMW
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principal image components
proctosigmoiditis
pubio-
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raam
regulating wheel
rhesus factor
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sannya
sea star
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soldering iron
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statechart
Steenrod algebra
submerged combustion evaporator
succubas
szamuely
tetraacethyl-hydrazine
the BBC World Service
thermotolerant bacteria
urethrospasm
Vase rug
vertical cylinder press
voll
warehouse capacity
Wattisham
wedge-catch system
win recognition from someone
worldly
xieng
yearly average