羟基表面

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(120) / 评论(0) 分类 2018年NPR美国国家公共电台11月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(108) / 评论(0) 分类 Scientific American(六)月

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(134) / 评论(0) 分类 地道美语播客

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives (e.g. levofloxacin),多西环素(如:脱氧土霉素) Tetracyclines (e.g

发表于:2019-01-03 / 阅读(120) / 评论(0) 分类 医务英语

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(366) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(141) / 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(139) / 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(159) / 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(136) / 评论(0) 分类 英语新闻

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学英语单词
accrued cumulative dividends
air data processor
anisogametangiogamy
Aoufouss
autochthones
Balaganchik
bistro-style
bit combination
bitter betch
bottom hole temperature bomb
bunting crow
caress
cascade regulation(pontecorvo 1963)
charioted
cinerecordings
cisti
CLAT
cleavage crack propagation
column rejuvenate
cordyline terminalis kth. var. ferrea baker
correlation detection
counter-ermine
cryoprecipitates
cuprammonium cellulose complex
cystic adenoid acanthoma
degression of tax rate
Denisovans
diachronic linguistics
discrete aggregate
Dixina
drill stem test (dst)
driver plate apparatus
Ebengi
egence
Eleusinian
Essex skipper
flood protection materials
graphophonically
gustatory audition
infantes
internal clocking
International Institute of Space Law
intersymbol(ic) interference
lateritic nickle
let's jam
long-term memories
macromitrium taiwanense
macropphage
mares'-tails
marine refraction
measuring unit
mistake shadow for the substance
Namp'yǒng
nesokias
no-load tap-changer of transformer
nonhyperkeratotic
obligatory subject
one-two exchanger
past recollection
peach blossom
Peucetian
pine for
pointed grinding head
polyester fiber
pooling of classes
Premna straminicaulis
primary department
pudong
pyrithiamine
quarter-circles
Quechuans
radiator trap
rakeoff
recombination-rate surface
regular spiking
renewal of reinsurance contract
reverse-pumped Raman laser
Samuelson, Paul
secrist
self-describing entry
self-eject launch
seminal vesiculitis
single channel recorder
Sir John Suckling
small particles
specioid(mansfeld 1950)
spline housing
student nurses
tetraalkylammonium salt
the back of the hand
toparchical
transport document
trichomonal
trompette
undergrads
universal gravitation
urangreen (uranochalcite)
weight hanger
whitesapote
word search
yarn feeder knife
zooethology