[化] 吡咯并吲哚

Kevin: Alright, Todd. Thought that I would ask you some questions about elllo. How long have you been running elllo? Todd: Actually, it started in 2003. So, it actually began as a graduate school project, and I never ended up finishing graduate schoo

发表于:2018-12-02 / 阅读(203) / 评论(0) 分类 原版英语对话1000个

Julie: Mike, go! Mike: Yep yep yep. Time to go alright. Julie: Mike, Im Chrissy's nanny. I dont want your parents walking in on us making out. Mike: I just wanted to hear you say making out. Julie: Mike! Mike: Alright. Oh and one more thing.. Julie:

发表于:2018-12-05 / 阅读(240) / 评论(0) 分类 成长的烦恼第四季

EXPLORATIONS -January 30, 2002: Population and the Environment By Cynthia Kirk VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Tod

发表于:2018-12-07 / 阅读(175) / 评论(0) 分类 Explorations

Lights of Lousianne by jennifer warnes one summer night he'll light a lantern he'll catch a tiny firefly in a jar set her dancing on the mantle like a piece of star see how the boy lays low he wants the shiver in her wing see him hiding in the willow

发表于:2018-12-14 / 阅读(208) / 评论(0) 分类 十八首全球最好听的女声

Kevin: What were the biggest challenges you faced starting this website? Todd: Well, when I first started, I didn't know anything about computers, and I mean nothing about computers. I took a course, teachers and technology and I remember the first d

发表于:2018-12-25 / 阅读(169) / 评论(0) 分类 原版英语对话1000个

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(195) / 评论(0) 分类 国家地理2008年

Today, guest-writer Neal Whitman will help us understand why the word troops can refer to the number of individuals or groups. What Does Troops Mean? Memorial Day is next week, when we in the U.S. honor members of the military who have died in the li

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 英语语法 Grammar Girl

EXPLORATIONS - September 18, 2002: National Cryptologic Museum By Paul Thompson German Nazi, American and Japanese coding machines. (Photo - Ed Bunyan) VOICE ONE: This is Mary Tillotson. VOICE TWO: An

发表于:2019-01-02 / 阅读(192) / 评论(0) 分类 Explorations

By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This

发表于:2019-01-02 / 阅读(221) / 评论(0) 分类 VOA2003(下)-农业与经济

By Mario Ritter Broadcast: September 30, 2003 This is Steve Ember with the VOA Special English Agriculture Report. This week, we take a suggestion from a listener in Brazil. Agricultural specialist Lu

发表于:2019-01-04 / 阅读(210) / 评论(0) 分类 VOA2003(下)-农业与经济

发表于:2019-01-10 / 阅读(295) / 评论(0) 分类 Wee Sing Around the World

Groups Resisting Global Polio Vaccination Efforts Health officials in Pakistan say they are redoubling efforts to vaccinate every child against polio after 198 new cases were reported in the country last year, the largest number anywhere in the world

发表于:2019-01-13 / 阅读(185) / 评论(0) 分类 VOA标准英语2012年(六月)

NASA Art Captures 50 Years of Exploration One of the nation's most prolific art collectors is the U.S. space agency. For nearly a half-century, NASA has commissioned artists to document its missions and projects. Seventy of the 3,000 works in its col

发表于:2019-01-14 / 阅读(149) / 评论(0) 分类 VOA标准英语2011年(六月)

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(208) / 评论(0) 分类 自然百科2008年

By Ernest Leong Washington, D.C. 10 November 2006 watch Gates profile Robert Gates, President Bush's nominee to become the new U.S. Defense Secretary, is a former CIA Director with decades of experience in the national security field. He has also se

发表于:2019-01-31 / 阅读(265) / 评论(0) 分类 2006年VOA标准英语(十一月)

Earlier this year, President Bush said the United States would spend $350 million over five years to fight seven of the world's most common parasitic and bacterial diseases affecting hundreds of millions of people in tropical regions of the world. A

发表于:2019-02-02 / 阅读(203) / 评论(0) 分类 VOA标准英语2008年(七月)

By David McAlary Washington 17 May 2007 Health groups are warning of a coming international epidemic of high blood pressure that will trigger an upsurge in heart disease, strokes, and kidney failure if not controlled. A report by prestigious U.S. and

发表于:2019-02-03 / 阅读(224) / 评论(0) 分类 2007年VOA标准英语(五月)

今天我们要学的词是robocall。 Robocall指的是由计算机系统自动拨号,播放事先录制的电话留言的宣传电话。Robocall是产品促销和政治竞选的常用手段。A GOP group launched its robocall campaign against Sen

发表于:2019-02-04 / 阅读(244) / 评论(0) 分类 英语每日一词

LONDON, May 2 (Xinhua) -- The London Organising Committee of the Olympic and Paralympic Games (LOCOG) started its full-scale test of the Olympic Park on Wednesday as it delivers six final sporting test events as part of the London Prepares series. Du

发表于:2019-02-06 / 阅读(209) / 评论(0) 分类 英语新闻

MILAN, May 18 (Xinhua) -- Midfielder Andrea Pirlo has been confirmed by AC Milan to leave the club after 10 seasons, while both Alessandro Nesta and Filippo Inzaghi have agreed to one-year extensions. The 31-year-old had his contract expired(期满)

发表于:2019-02-18 / 阅读(202) / 评论(0) 分类 英语新闻
学英语单词
access window
acetylurea
aerospace weapon
alukalin
antifouling compound
Apotinin
asbestos waterproof felt
Bashkirskaya AR
Bayrab
beach berm
bedsitting-room
Bonnevie-Ullrich status
bons MOT
C-H-O ratio
cable repair ship
cause fertilization to take place
Changpyong-dong
chemical atmospheres corrosion testing chamber
complaint desk
compound drift of gravimeter
credit-sale transaction
cut flake
dan layers
detachable fitting
digit absorbe
disappearing carriage
dispersing element
drooping leaves
eccentric nut
ecphysesis
elihu thomsons
embryotoxic
excernent
exciting mechanism
femininize
finite differencing scheme
flaky
foreign field
genus galeorhinuss
harumph
have issues
heeled over
hole base system
Huoerguosi
inner city store
j'y
linge
lowest launching condition
MagicBand
margo mesovaricus
menthofuran
misfurnish
modern inventions and discoveries
Munilla
Navy Radio and Sound Laboratory
nitro-iodophenyl
Nomtsas
non-print cycle
nonrationed
OCP overland common point
parkies
pericarpium citri grandis
phania fuscata
piezodielectric
power reduction
pre-Palestinian
premium digital content
primary cutout
prime cost of sale
proangiogenic
quadrant coil
quenching temperature
re examine
red beech
Reinkens, Joseph Hubert
reshrinking
rigid swollen tongue
rotation value
rumbowline
screen covers
setulae
ship noise
short credit
shotpoint gap
spaghetti tongs
stellar inertial guidance
subterranean cutoff
surface tensional force
text of final act
thereatop
to show disregard for
trumpet arches
umbilicar
under-triage
viroplast
walk abroad
winston artificial intelligence
wolbachias
wool oil
yumas
zero day