音标:[,prәutә'fluәri:n] ;
原氟, 初氟

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(177) / 评论(0) 分类 国家地理2008年

Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

发表于:2018-12-19 / 阅读(109) / 评论(0) 分类 环球英语 Spotlight

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

发表于:2018-12-30 / 阅读(111) / 评论(0) 分类 突破英文词汇

Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 2018年VOA慢速英语(五)月

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A,C,D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(188) / 评论(0) 分类 医务英语

Key Telephone System (KTS) KTS is an arrangement of multi-line telephones and associated equipment that permits the station user to depress buttons (keys) to access different central office or PBX lin

发表于:2019-01-03 / 阅读(102) / 评论(0) 分类 电信英语

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(十)月

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(293) / 评论(0) 分类 英语时差8,16

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(126) / 评论(0) 分类 VOA常速英语2007年(十二月)

In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年,以色列特拉维夫大学的一个小组认为,二叠纪芽孢杆菌与一

发表于:2019-02-17 / 阅读(146) / 评论(0) 分类 万物简史

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(152) / 评论(0) 分类 英语时差8,16

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(158) / 评论(0) 分类 英语听力文摘 English Digest

The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

发表于:2019-03-04 / 阅读(211) / 评论(0) 分类 中英双语新闻
学英语单词
'n
academic profession ability
alphonsia
alternative dispute resolution(adr)
anti-parallel coupling
atypical mycobacteriosis
bas-zaire (bas-congo)
Beesia
calcium chloride-urea
Casekow
cause-specific
CEJNSA
cerastess
Chamber of Shipping of the United Kingdom
chigger-borne rickettsiosis
clamp bolt hole
control configuration
Cooley loan
demesnes
direct cases
dischistodus fasciatus
dolichophyllus
double precision arithmetic
du vigneaud
effortfulness
electric reser
enamel counter
evrese (kadik?y)
experimental nuclear power plant
first name
flatted pintle nozzle
fln
gauge of rivets
get along with you
Gudivāda
heartattack
Hettstadt
HMSAS
homo-ings
HORNE
hydrodynamics test tank
Hydrostachys
hypophysectomie
impor
incident ticket system
inter-affair
isobutyl
Jacobinical
k-class estimators
keep your hands to yourself
lap joint pliers
light-energy distribution curve
lilypads
liquid-like phase
luchino viscontis
lyth
macular atrophy
Malé Karpaty
mathematical model of soil erosion
mcbeal
measure ... length
Menyanthes
merchant of the steelyard
metacarpally
microwave communication
mikons
module verification test
mohur
monsoon drift
net book value
nethertons
Nizhnyaya Bystraya
no operatton
nonprophylactic
nonviolent offender
nucleocidin
optical spatial frequency filter
pressure gas weld
protaphane beef ampoule
radiolarian earth
ratio-flow control
representative station
resource allocator
roll clearance
Schweix
semi double
serum disease
siphonet
soft-bristle
stability augmentation
stage mom
stereographies
stlout
suspended current
Sǒnggan-gun
taxiway-edge lights
teachership
underlinable
Vasa
vehicle accident loss
vezon
webbie