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(139) / 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(763) / 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(148) / 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(152) / 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(159) / 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(159) / 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(181) / 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(151) / 评论(0) 分类 英语新闻

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发表于:2019-02-19 / 阅读(182) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(188) / 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(183) / 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(165) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(169) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(169) / 评论(0) 分类 加州英语分级G6

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发表于:2019-02-19 / 阅读(179) / 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

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(198) / 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(412) / 评论(0) 分类 万物简史
学英语单词
abbatum
alarm for a trailed switch
AMCAS
ammonia water
anaglyph process
antheraeas
antioxidant properties
basked planting
beo-
bibliomics
Boehmeria tomentosa
catechizeth
caudatest
centre of mean distance
chiffonade
coboundary complex
cogging effect
commonish
complex generator coordinate technique
cottonball
Cynanchum mongolicum
desizing agent
document against payment bill
doublet reflectivity
dress-up party
dysbacteriosis
Ech Chouech
ehrleite
engender
enneapterygius rubicauda
Entopon
epitherm
eye bracket on derrick
far-infrared astronomy
Financial Intelligence Units
forecast of pest outbreak
free charge
gastric perforation
Geirangerfjorden
gibbie
Glenview Naval Air Station
go public with
Golyamo Vranovo
gun-point
half hard steel
heliotherapy
hocl
horn-fed paraboloid
International bureau of Transport Users
Kodiak Seamount
LAP-B
Lepidium micranthum Ledeb.
library history
line-standard scale
loader digger
marriage lite
mating unlike
mesenteronic
mineral.
movable rack
multiple arc head
Muron
nanoelemental
navel gazing
necking in tension
nervi clunium superiores
NoHo
nose wedge
o-chloro-p-toluidine
o-diethylbenzene
object-related
Oldbury
on the down grade
oregons
over frequency
pantograph sway
pottical
public sign
quitching
rcop
rear bucket
reichsbanks
remote manual controller for emergency cut-out
ribbon spool
sarcophyton ehrenbergi
scapal organ
semi-pneumatic tyre
simplified probit method
spiderwort families
squamella
sterilitas
subluxation of cervical vertebra
supraclavicular fossae
to whip
tordo
two stage sample
underground watering
vestock
vitromicrolitic
water calorimeter
what are we waiting for?
zero-one optimization