椭圆型黎曼曲面

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(138) / 评论(0) 分类 2018年NPR美国国家公共电台11月

76 years after Pluto's discovery and after 17 years of research and development, Nasa's new Horizon Spacecraft sets out for Pluto. Travelling at around a million miles a day, it's on a 9-year, 700-million-dollar journey to reach Pluto and review its

发表于:2018-12-27 / 阅读(760) / 评论(0) 分类 探索与发现2015年

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2018-12-30 / 阅读(146) / 评论(0) 分类 英语每日一词

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(149) / 评论(0) 分类 地道美语播客

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(156) / 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(158) / 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(176) / 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(149) / 评论(0) 分类 英语新闻

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发表于:2019-02-19 / 阅读(178) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(186) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(166) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(180) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(168) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(163) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(163) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(167) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(176) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(161) / 评论(0) 分类 加州英语分级G6

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2019-02-24 / 阅读(194) / 评论(0) 分类 学个词

Disputes and reorderings of much the same type can be found in all the other realms of the living, 同样的争吵,同样的重新分类,也发生在所有别的生物领域, so keeping an overall tally is not nearly as straightforward a matter

发表于:2019-03-17 / 阅读(407) / 评论(0) 分类 万物简史
学英语单词
Adjarians
alcoholic acid paper mica tape
aldred
alternate sector ID
aminoacid
antenna scanner
apocalypse
astronomical geodesy
autoflocculation
azibenzil
bacterial discolo(u)ration
block breaker
brannis
breaking strength
breeding process
caffolide
can strainer
cavum pharyngis
commission base
coral-reef ecology
Croydon facelift
decoiler
degos' syndrome(malignant atrophic papulosis)
delhi
discharge zone
discrete event system
double-ended boiler
Douglas' abscess
Driten
Dufy
ecliptic blindness
ectosymbiosis
elastic drift
electromagnetic locking
Endal
endulce
esns
frail-looking
Froin
fruit-bearing plant
fuel delivery evenness adjustment
Gadhāda
gatts
Geocyclus
germplasma
Grallinidae
Green Forest
gryphius
gulamental
indoor ventilation system
intergenotypes
kranzler
Ladins
lead-cable automatic guidance system
lichen hypertro phicus
light (fission)fragment
magnesium nitride
Maltese cat
mechai
mechanization in weed control
Mercedes Norte
microstromatolites
mildness
minehunting weapon
moolgarda pedaraki
nascent hydrogen
noteworthy
oil canal
ontological security
organoboronic
Paramillo, Cerro
peer group
politest
Prosthechea
quasi-linkage
Ranunculus regelianus
reduced error
repeated impact bending strength
see action
sewn-in
St-Aygulf
staggered breathing
starrider
statistically evident
super-fast polymerization
system measurement
technical solution
tender heart
therapeutical
time-distribution analyzer
tooth contusion
Tricyrtis formosana
trinitro-compound
tumourigenic
turning-circle
uneven aged
user log-on
UV-531
veksels
yottacandela
zafferana