音标:[,prәjtә'trɔfik] ;
a. [微]原养型的

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(130) / 评论(0) 分类 国家地理2008年

AS IT IS 2015-12-18 Hated Drug Company Head Arrested by FBI 美国黑心药业大亨被捕 A U.S. businessman once described as the most hated man in America was arrested Thursday. 曾被人们称为恶棍的美国商人于周四被联邦调查局逮捕

发表于:2018-12-08 / 阅读(103) / 评论(0) 分类 2015年VOA慢速英语(十二)月

今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同,或者是来源不一,用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是:odds and ends, knic

发表于:2018-12-16 / 阅读(154) / 评论(0) 分类 美国习惯用语

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(69) / 评论(0) 分类 环球英语 Spotlight

Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is

发表于:2018-12-25 / 阅读(108) / 评论(0) 分类 原版英语对话1000个

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(71) / 评论(0) 分类 突破英文词汇

AMERICAN MOSAIC - November 1, 2002: Music by James Taylor / Question About the Visa Lottery / Election Day HOST: Welcome to AMERICAN MOSAIC --VOA’s radio magazine in Special English. (THEME) This is

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 American Mosaic

AMERICAN MOSAIC - October 18, 2002: Music by Heather Headley / Question from China about the U.S. Court System / National Book Festival HOST: Welcome to AMERICAN MOSAIC --VOA’s radio magazine in Spe

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 American Mosaic

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(76) / 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(130) / 评论(0) 分类 医务英语

AMERICAN MOSAIC -July 26, 2002: Our New Theme Music / Question About a Book on American Indians, 'Hanta Yo' / A Celebration of American Theater HOST: Welcome to AMERICAN MOSAIC — VOA’s radio magaz

发表于:2019-01-07 / 阅读(155) / 评论(0) 分类 American Mosaic

Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is

发表于:2019-01-25 / 阅读(94) / 评论(0) 分类 英语趣味课堂

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(80) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Melinda Smith Washington, DC 05 October 2006 watch Athletes Heart Risk One of the leading causes of death among young athletes on the playing field or court is a heart condition called Hypertrophic Cardiomyopathy. But the results of a 25-year stu

发表于:2019-02-03 / 阅读(158) / 评论(0) 分类 2006年VOA标准英语(十月)

Since the April 20 explosion and fire that sank the BP Deepwater Horizon off-shore oil rig, about 800,000 liters of crude oil a day have been spewing from the broken well into the Gulf of Mexico. The massive spill is threatening marine life, commerci

发表于:2019-02-05 / 阅读(147) / 评论(0) 分类 VOA标准英语2010年(五)月

李华和Larry到商店买东西。李华看到巧克力正在减价出售,所以买了一大堆。今天李华会学到两个常用语:chocoholic和fix. LL: Whoa, Li Hua. I didn't know you were s

发表于:2019-02-07 / 阅读(83) / 评论(0) 分类 美国之音《流行美语》

Sad Story( 悲伤故事)- Loveholic It's a sad story yunanhido balgun hessal gadughan ichi mothal haru nul kumkwo odon arumdaun nare baraji anhadon nunmuri chajawa Gude ibgae momun shirin maltuga modun bichul dada suchin barammajodo sumjugyo uro cause y

发表于:2019-02-07 / 阅读(166) / 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(100) / 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(95) / 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(154) / 评论(0) 分类 中英双语新闻
学英语单词
a doo
a leg up
acorse
Acoust
additive seasonal effect
agriculturers
Aldehuela
alumino-silicates
ammonitated superphosophate
amorousness
angular distances
anomalistic diopter
apostle plant
arrested topographic wave
baffled slot plate distributor
bagwoman
be at variance
bounded sequence
brush shifting speed
cesium fluorosilicate
Chirambirá, Pta.
city approach highway
cleared-out
coin of the realm
colour video display unit
concentrator level
corresponding draught
crinkle-roots
cyhalothin
cyprolidol
cytolymph
degree of rancidity
dehydrant
diethyl-butanediol
dipyridamole
direct drive electric tool
doggedly
down-flow spout
dual column chromatography
dummy pass
Dynbaer
environmental benefit and cost analysis
error correction servo
erythorbic acid
esthetic
flap(per) valve
flat stern
flint-dry
freezing concentration
global fallout
helical fuse
high-and-mightiness
Hollerath
homopteran
horizontal microprogram
horizontal plunger die-casting machine
hydroxygenistein
ICCP
incoherent integration
inform with
interbrachial
isolation distance
jepsyon
Konābāri
lethe butleri periscelis
linnaemya vulpinoides
maest
mahalla
Missourah
motor fantasy
mowla
non-elites
over-reckon
PDEAS
pitching velocity
quarter undulation mica-plate
quasicondensate
queer sb's pitch
quintom
Rathke's cleft
recovery fate
resource-dependent
result analysis
retro type lens
saw a thing done
series parallel motor
square bellmouth transition
starting ring
stationer's ream
stock indexes
Tolai
trace the call
tridecaphobia
tuning inductance
turning with the aid of current
twinkling stars
two position three way directional control valve
underlying trend
vacuum meter
waste furnish
whole-body radiation meter
zorich