溶生胞间隙

04 美国的航空航天技术 DATE=2-21-01 TITLE=EXPLORATIONS #1940 - Space Digest BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special En

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - NASA Celebrates Past While Facing Unsure Future BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. BOB DOUGHTY: And Im Bob Doughty. Today, we remember a major anniversary for the American space

发表于:2018-12-07 / 阅读(254) / 评论(0) 分类 2012年VOA慢速英语(二)月

Out for the Count 失去知觉之后 If youve ever had major surgery, you probably remember lying down and waking upbut nothing in between. Thanks to the anesthesiologist, during the actual surgery you were out of it: immobilized and insensitive to p

发表于:2018-12-31 / 阅读(138) / 评论(0) 分类 英语听力文摘 English Digest

The ozone layer is thinner than it used to be. This fact has motivated humans to keep themselves protected from the suns ultraviolet, or UV, rays. But just because we can protect ourselves from these rays doesnt mean that they dont still existthey ex

发表于:2018-12-31 / 阅读(118) / 评论(0) 分类 英语听力文摘 English Digest

EXPLORATIONS - November 6, 2002: Space Digest By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell ab

发表于:2019-01-02 / 阅读(141) / 评论(0) 分类 Explorations

Rob: Hello, I'm Rob. Welcome to 6 Minute English. I've got Finn with me today. Hello Finn. Finn: Hi Rob, how's it going? Rob: All right. You might notice it's a bit noisier than usual - that's because we're in our open-plan office. Finn: Yes, it's a

发表于:2019-01-07 / 阅读(152) / 评论(0) 分类 六分钟英语

今天讨论的主题是开放式办公室的利弊..... Rob: Hello, I'm Rob. Welcome to 6 Minute English. I've got Finn with me today. Hello Finn. Finn: Hi Rob, how's it going? Rob: All right. You might notice it's a bit noisier than usual that's be

发表于:2019-01-23 / 阅读(128) / 评论(0) 分类 一起听英语

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(159) / 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(128) / 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(151) / 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(150) / 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(138) / 评论(0) 分类 英语听力文摘 English Digest

Space Shuttle Endeavour lifts-off from the Kennedy Space Center at Cape Canaveral, Florida, 08 Feb 2010 The space shuttle Endeavour blasted off from NASA's Kennedy Space Center in the southeastern U.S. state of Florida before dawn, bound for the Inte

发表于:2019-02-02 / 阅读(159) / 评论(0) 分类 VOA标准英语2010年(二月)

肌肉生而不等 Don:Its not fair! Yal: Whats not fair? D: I was rereading the Constitution of the United States. It says here that All people are created equal.Thats just not true! Y:What do you mean? D: Well, its always being my dream to become t

发表于:2019-02-16 / 阅读(147) / 评论(0) 分类 英语听力文摘 English Digest

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(151) / 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(141) / 评论(0) 分类 英语听力文摘 English Digest

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(163) / 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(144) / 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(203) / 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(186) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
Abdulino
acanthophorite
antiparamagnon
antsies
auto tracking
automatic pressure regulator
automatic tape transmitter
Belizean,Belizian
brennen
buoyancy bag
calculated risk
Cephalaspidae
closed piping system
commodities fair
computer studies
configuration file
contributress
counter-instrument
counting anemometer
crystal lattice transformation
current-controlled oscillator
desulfurized fuel
dibenzyl maleate
dickcheeses
diprosopus parasiticus
double track territory
fiable
fluid catalyst
footrope
freon test
gelutong
genus Regnellidium
gergiev
gray yarn
group battery
hairy around the heels
hub tip ratio
hyothyroid ligaments
Hyphaceae
ilsley
impression of depth
inconie
International Multi-modal Transport of Goods
ironious
isavuconazole
isotherapy
Kuanglinite
legateship
lock register
Mahākālī Div.
manned spaceship
mapping of cascade
microzoospores
Miltou
multiple control field
nasal allergy
natural circuit
non-guaranteed fund
non-threshold logic
noxial
olfactory tubercle
opportunity target
oxygen from the air
patch board programming
pedate leaves
phosphotungstic
polished drum coating
pseudo hypertropy
pseudoataxia
rechargeable battery pack
Refreshment Sunday
regeneration
righi-side endocarditis
rostrally
runway touchdown zone lights
scaled sculpture
series transductor
software teat methodology
Sperry
spray phosphatization
spring swamp
stationary auxiliary gas turbine
stiff collar
strainer-dippers
subordinated tide tation
sum of series
sunlessly
symbolicalness
tailor for
telferages
Thiospirillum sanguineum
Tokotan-gawa
transitionless
transportable approach
trichoglossus haematodus
trouse
under-belly equipment
underwater vehicle
veit stoss
visual learning
worst-ever
writhes