三甲基吡啶

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(439) / 评论(0) 分类 英语情景对话-日常生活

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(393) / 评论(0) 分类 英语情景对话-日常生活

A: What does it cost to ride this bus? B: The fare is $1.25. A: Have you been driving buses a long time? B: I haven't been driving for longonly for a few months. A: Do you like to drive the bus? B: Not in the least bit. A: I would have never dreamed

发表于:2018-11-30 / 阅读(417) / 评论(0) 分类 英语情景对话-日常生活

Mr. President, Mr. Speaker, Members of the Congress of the United States: The gravity of the situation which confronts the world today necessitates my appearance before a joint session of the Congress. The foreign policy and the national security of

发表于:2018-12-04 / 阅读(634) / 评论(0) 分类 名人演讲

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(309) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(361) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(358) / 评论(0) 分类 Scientific American(三)月

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(321) / 评论(0) 分类 初学者听力文摘精选

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(352) / 评论(0) 分类 国家地理2008年

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(341) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(373) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(390) / 评论(0) 分类 农业与发展

伊迪娜门泽尔( Idina Menzel), 1971年5月30日出生于美国纽约。伊迪娜门泽尔凭借百老汇经典舞台剧《女巫前传》中饰演阿尔法巴一角,获得托尼奖最佳女演员奖。1995年出演《吉屋出租》开始百

发表于:2019-01-10 / 阅读(334) / 评论(0) 分类 英乐时空

A: That car is exactly what I want so I probably should buy it. B: From what I see, it's a good deal. Should a mechanic check it out for you? A: A mechanic looked at it for me on Tuesday when I first looked at it. B: It's good that you took care of t

发表于:2019-01-11 / 阅读(315) / 评论(0) 分类 英语情景对话-买车

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(367) / 评论(0) 分类 VOA2003(下)-环境与健康

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(337) / 评论(0) 分类 自然百科2008年

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(394) / 评论(0) 分类 经济学人科技系列

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(414) / 评论(0) 分类 VOA常速英语2013年(十月)

VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p

发表于:2019-02-02 / 阅读(406) / 评论(0) 分类 英语新闻

By Brian Padden Irbil, Iraq 17 August 2007 The death toll from a series of suicide attacks on Iraq's Yazidi sect on Tuesday continues to rise. Officials now estimate at least 400 people were killed and hundreds more wounded when four truck bombs expl

发表于:2019-02-03 / 阅读(363) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
abstracting service
actual cost this period
antifashionable
arish
Asiatic Moonseed Rhizome
Atokos
atomic transaction
audio sequence
azcospermia
Baldwin effect
be done to a turn
blind road
bona-fide
breachable
Briggs
butane-propane gas
calibration block
carbon footprints
Carex ivanoviae
carnivorous plants
cellular immune function
centripetal force
chain clip
chew
Confederate rose mallow
cosleep
cullying
Danot
danweis
degravitation
disk sort routine
El Cabiňo, C.
electro-tonometer
end of subroutine
enteric fever
eye scleroid coat
facies maxillaris (lamin? maxillaris)
fccc
fibrelike
filtrate reducer for drilling fluid
five - o'clock
fixed for
genus conospermums
God's number
Guadalupe County
hard strip
hexafor
high-heels
humanation
infusion batch cooking
intrinsic commands
japanese-english
javid
Lawdy
lifting-body
magnetic flux line
mannarino
Monet, Claude
multi-addictions
multipleaddress
Nailicure
necolio concavus
nickum
nonparameter test
ostridge-keeper
outer part(s)
overspecified
phenltiocarbamide
Pollachius pollachius
ponied
portieres
primitives
prosinecki
rarefyine osteitis
receving tank
reciprocal innervation
reductive method
rerage
rug pad
selective subjects
sharp words
ship automation
soft hair brush
stack arms
stalling aerodynamics
statistics of database
streptozyme
surfing
tachometric electrometer
Tai Lam Chung Reservoir
thread take-up lever slide pin
toothed harrow
tractellum
trailer with canvas cover
tulip-tree bark
Tājgarh
upcounter
us aerospace
vector verb
versiculus
webfed
weight response type car retarder