表层材料

EXPLORATIONS - The Year in Space By Paul Thompson Broadcast: Wednesday, December 29, 2004 VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember with the VOA Special English program EXPLORATIONS

发表于:2018-12-15 / 阅读(232) / 评论(0) 分类 Explorations

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

发表于:2018-12-18 / 阅读(238) / 评论(0) 分类 2018年NPR美国国家公共电台11月

[00:05.75]The American space agency has released to the public the first of many new pictures of Jupiter's Moon,Io. [00:15.41]NASA's Galileo spacecraft took the pictures last July and October using both black and white film and color film. [00:25.73]

发表于:2018-12-26 / 阅读(220) / 评论(0) 分类 美国英语听力80篇

地道美语听力播客English as a Second Language Podcast (ESLPod),是一家位于美国加州洛杉矶的英语教育研究机构推出的英文听力会话,于2005年7月23日首播, 主播Dr. Jeff McQuillan为南加州大学的语言学博士

发表于:2019-01-01 / 阅读(235) / 评论(0) 分类 地道美语播客

Daylight Turns Thin Plastic Barrier into Germ-Killing Material Daylight-powered germ-killing equipment may someday help protect health workers from deadly microorganisms like Ebola virus disease. That is a finding from a study published in the journa

发表于:2019-01-03 / 阅读(174) / 评论(0) 分类 2018年VOA慢速英语(四)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(260) / 评论(0) 分类 VOA标准英语2014年(二月)

Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h

发表于:2019-01-14 / 阅读(253) / 评论(0) 分类 VOA标准英语2014年(七月)

And in fact, Curiosity -- which has been roving on the surface now for about three years -- 事实上,好奇号探测车,在火星表面上漫游已经有三年了 has really shown us that it's sitting in an ancient river bed, where water flowed

发表于:2019-01-18 / 阅读(251) / 评论(0) 分类 TED演讲科学篇

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(242) / 评论(0) 分类 VOA标准英语2010年(六)月

Climate change negotiators from 173 countries have agreed on an agenda after days of bickering over the scope of talks left little time for substantive discussions. The disagreement highlighted deep divisions between developing and rich countries on

发表于:2019-01-30 / 阅读(226) / 评论(0) 分类 英语新闻

Marit Larsen 从那个红遍全球的少女组合M2M里走出来的Marit Larsen并没延续M2M的流行摇滚,而是选择了清澈的民谣曲风,用她时而俏皮时而的甜蜜的嗓音来吟唱她自己写的小曲儿,带给听者如沐春风的清新感觉。 中英歌词: It's such a funny sensation to be so happy that

发表于:2019-02-06 / 阅读(268) / 评论(0) 分类 音乐咖啡厅

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(249) / 评论(0) 分类 英语新闻

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发表于:2019-02-19 / 阅读(210) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(240) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(298) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(242) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(253) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(235) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(248) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(229) / 评论(0) 分类 加州英语分级G6
学英语单词
Abū 'Awjā'
anisostemon
anti-eavesdrop device
antichemical medicine
Argunsk
astunned
battery charging and discharging panel
bendable permanent magnet
binder course
brebants
calie
Casale Monferrato
catercorners
chromatographic efficiency
cockatoo farmers
common joist
cosmic mineral
crystal stone
data process work request
defect of triangle
designated port
detection code byte
digital polypectomy
diplographs
discounting the news
division of net income or loss
dsm-iv
etmopterus joungi
file an appeal
foxiness
foxy colour cotton
free curve
Gaussian profile
harbor accommodation
heaphone
incorporate
industrial co-operative
infectious fever
intertoll
ionic atmosphere
Jules Verne Trophy
La Virgen
laganside
lezcanoes
lyfoline
maenad
marginalic
matching familiar figures test
memorylessness
Metauranocircite-I
MI6
modem pooling
muskatee
neutron flux flattening
Old South
paraffin jelly
paramitas
pentafid
perspective rendering
pluck asunder
podzolizing
preavailing rate
Prevotellaceae
procedure data area
proceed aspect
quantile process
query interactive processor
rear part theoretical length of turnout
red-throated
returning officers
row wing alter
Sandy Bridge-E
Sansambaya
scenic dock
school bond
Schultze's bundle
second carriers freight
sensitometric test
Serebryansk
sex show
skate park
sodium diurante
somatosensory 1 (s1)
space neurobiology
squeaky-bum time
strumoderma
substantial cost differentials
surface sizing
sycophant
synodic rotation period
telecontrol configuration
tetrahydrocyperaquinone
theoretical physics
thionyl imide
triplicities
tulip
unix networking
upbraiding
update cycle
variation of mining stope ore reserves
vidicon film scanner
whsmn.