音标:[p'rəʊtəsəkl] ;
原尾
a. Having a caudal fin extending around the end of the
vertebral column, like that which is first formed in the embryo of
fishes; diphycercal.

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(302) / 评论(0) 分类 国家地理2008年

BOB DOUGHTY: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. BARBARA KLEIN: And I'm Barbara Klein. This week on our program, we tell you about the Guadalupe Mountains National Park in Texas. We explain its place in the history of

发表于:2018-12-16 / 阅读(221) / 评论(0) 分类 2010年VOA慢速英语(四)月

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(271) / 评论(0) 分类 环球英语 Spotlight

This is Scientific Americans Sixty Seconds Science. Im Steve Mirsky. Got a minute? Youve no doubt heard that grapefruit juice can greatly increase the effects of some drugs. Even to a dangerous degree. Pharmacologist David Bailey made that discovery

发表于:2018-12-24 / 阅读(242) / 评论(0) 分类 Scientific American(八)月

[00:02.99]3 Listen and order. [00:07.30]You will hear Miss Wang give instructions on [00:10.67]how to use a Bunsen burner. [00:14.04]Listen to the instructions [00:15.94]and number the pictures in the correct order. [00:20.12]Number the steps 1-8. [0

发表于:2018-12-29 / 阅读(388) / 评论(0) 分类 外研社新标准初中英语九年级

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(214) / 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(241) / 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(342) / 评论(0) 分类 医务英语

The Chinese offshore oil corporation known as CNOOC has abandoned its bid for UNOCAL. This would have been the largest-ever purchase of an American company by a Chinese firm. CNOOC had put forth a bid that was higher than the competing bid from US o

发表于:2019-01-08 / 阅读(368) / 评论(0) 分类 2005年NPR美国国家公共电台

来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评,成为当年大赛的最大热门.尽管最后惜败于16岁的Ca

发表于:2019-01-10 / 阅读(248) / 评论(0) 分类 天籁音乐

By Carol Pearson Washington 03 July 2007 A second cervical cancer vaccine has passed a key clinical trial and its maker is seeking to use the vaccine in countries around the world. As VOA's Carol Pearson reports, more women may be able to use this ne

发表于:2019-01-16 / 阅读(344) / 评论(0) 分类 2007年VOA标准英语(七月)

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(233) / 评论(0) 分类 VOA常速英语2007年(十二月)

音乐咖啡厅:Anthony Callea - Hurts So Bad 相关介绍:来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评,成为

发表于:2019-02-01 / 阅读(266) / 评论(0) 分类 音乐咖啡厅

Anthony Callea - A New Chapter I walk these streets alone I see the world around me changing I'm in a dream Faces that I knew Are slowly turning into strangers I've never seen I read each line I turn the page I laugh and cry At this true story It's t

发表于:2019-02-02 / 阅读(218) / 评论(0) 分类 好听的英文歌曲

SHANGHAI, Feb. 17 (Xinhua) -- Vice Premier Li Keqiang has urged local governments to improve and implement structural tax-reduction polices, while pushing forward fiscal and tax reforms to help stabilize growth. Li made the remarks at two meetings he

发表于:2019-02-07 / 阅读(319) / 评论(0) 分类 英语新闻

音乐咖啡厅:Anthony Callea - Rain 相关介绍:来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评,成为当年大

发表于:2019-02-07 / 阅读(292) / 评论(0) 分类 音乐咖啡厅

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(232) / 评论(0) 分类 万物简史

音乐咖啡厅:Anthony Callea - Take It To The Heart 相关介绍:来自澳大利亚墨尔本年仅21岁的Anthony Callea参加了2004年第二届澳洲偶像大赛(AUSTRALIAN IDOL).从4月份试音开始,他便受到了歌迷与裁判的一直好评

发表于:2019-02-19 / 阅读(269) / 评论(0) 分类 音乐咖啡厅

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(253) / 评论(0) 分类 英语时差8,16

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(389) / 评论(0) 分类 中英双语新闻
学英语单词
(3-Iodo-(131I)benzyl)guanidine
acoustic spectrograph
ambas
aminoacyl tRNA synthetase
anderson-brinkman- morel state
attachment protein
backmatter
bent nose plier
bergson-samuelson welfare function
BHET
bidirectionally predictivecoded picture
blown or aeolian sand
by-bidders
cambeaks
carophyllaceae
carthami flos
catenary overhead contact line
cavity output transmission
chaoboruss
charged particle energy analyzer
cheilanthes argentea kunze
cixous
class-a
CLBT
communist-party
court of bankruptcy
curdmeter
dimethione
diphosphatidyl glycerol
diving header
dousing system
elbow-rest
electron bombardment
error object
fictilest
force-draft
gemshorn
geostrophic vorticity
getting rolling
gold-bearing
hay-bird
horizontal boring and turning mill
interlobar pleural effusion
intermediate ligature
jaws-harp
Macdoel
Martinotti's cell
matched games
mayoral
menuhins
message generation
Minorcans
mobilities
motor transport tariff system
myotonia dystrophica
neck insert
off-balance-sheet item
oil of chenopodium
on the upsurge
Orias
pasquale
perisilic
petrera
plebeja
Plexombrine
polished wire
precooling of aggregate
premoulded asphalt sealing strip
prospective transient recovery voltage
radiodysprosium
radiometric tracker
range integrator
RCDR
Rheum webbianum
rudigers
runing
saccharometabolism
sailors choice
shell company
soybean combine
space-electric rocket test
stunna
sustained-yield forestry
syndrome of wind-dampness invading head
take the teeth out of
tammite
the Royal British Legion
time in line
travelling caviation
uestlove
undecomposed explosive
Ussing
ustilago sphaerogena burr.
Vaccinium triflorum
valence theory
voat
vortex center
wake-in turbine enclosure
water rail
windfarm
Yasser
young uns