[医] β-乙酰基丙酸苯腙, 戊酮酸苯腙

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(514) / 评论(0) 分类 Scientific American(八)月

This is the VOA Special English Health Report. Every few years, two groups do a study of how many Americans wash their hands after using the toilet. These groups are the American Society for Microbiology and the American Cleaning Institute, formerly

发表于:2018-12-07 / 阅读(370) / 评论(0) 分类 2010年VOA慢速英语(九)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

发表于:2018-12-12 / 阅读(460) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

5 Aristotle 亚里士多德 Aristotle was born in Stageira, Chalcidice, in 384 BC. 亚里士多德于公元前384年出生于色雷斯的斯塔基拉, His father was the personal physician to King Amyntas of Macedon. Aristotle was trained and educa

发表于:2018-12-18 / 阅读(480) / 评论(0) 分类 世界名人故事之政界精英

World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r

发表于:2018-12-29 / 阅读(420) / 评论(0) 分类 英语课程学习计划和讲义

今天我们要学的词是tit-for-tat. Tit-for-tat意思是针锋相对,以牙还牙。Islamist militants' attacks and tit-for-tat violence between rival ethnic groups have cast doubt on Mali's upcoming elections. 伊斯兰国激进分子的袭击和

发表于:2018-12-30 / 阅读(387) / 评论(0) 分类 英语单词荟萃

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(430) / 评论(0) 分类 Scientific American(八)月

歌曲 : Miss independent 艺人 : Ne-Yo 音乐星级 : ★★★★ 所属专辑 : Year Of The Gentleman 发行年代 : 2008 风格 : RB Ne-Yo(原名Shaffer C. Smith)出生于美国Arkansas州一个音乐世家,自幼生活在一个单亲家庭,被母亲抚养长大。为了使Ne-Yo有更好的发展

发表于:2019-01-11 / 阅读(432) / 评论(0) 分类 节奏布鲁斯

The U.S. Special Inspector General for Iraq Reconstruction has criticized the State Department for its management of nearly $3 billion in contracts and grants in Iraq. In two reports, auditors cited weak and ineffective State Department oversight of

发表于:2019-01-13 / 阅读(576) / 评论(0) 分类 VOA标准英语2010年(一月)

The US government is considering, for the first time, the approval of a genetically-modified animal for human consumption. The animal being considered is salmon, but approval could open the door for other animals as well. Those who favor the move say

发表于:2019-01-13 / 阅读(493) / 评论(0) 分类 VOA标准英语2010年(七)月

Stomach cancer is one of the deadliest diseases, and ranks second among cancers worldwide with at least 800,000 deaths yearly. But in the United States, the number of cases has been declining, except for among one group of Americans. Glenda Reimer, h

发表于:2019-01-13 / 阅读(400) / 评论(0) 分类 VOA标准英语2010年(五)月

At Scripps Research Institute in Jupiter, Florida, scientists are working to find clues about how the human brain processes memories. Their laboratory test animal is not a chimp or a dog or a rat animals that we know can remember things it is the com

发表于:2019-01-13 / 阅读(443) / 评论(0) 分类 VOA标准英语2010年(三月)

Givenchy, Zegna, Bottega Veneta...读欧洲大牌心里没底?今天节目告诉你! 关键词: Luxury brands: 奢侈品品牌 很多奢侈品品牌源自欧洲,所以名字可能是法语或者意大利语;今天我们要教大家的这些品

发表于:2019-01-18 / 阅读(414) / 评论(0) 分类 美国文化脱口秀

This is the VOA Special English Development Report. Health experts predict that soon, more people will die from cancer than from AIDS, tuberculosis and malaria combined. They expect that by two thousand ten, cancer will become the world's leading cau

发表于:2019-01-20 / 阅读(387) / 评论(0) 分类 2010年慢速英语(三)月

Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But

发表于:2019-01-28 / 阅读(389) / 评论(0) 分类 英语小达人

72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0

发表于:2019-01-30 / 阅读(497) / 评论(0) 分类 科技之光

RB神童Ne-Yo的单曲《Miss Independent》正在英国单曲榜激烈打榜中。 虽然出道时间不长,但颇具才气的Ne-Yo通过三年来的这三张质量不俗的专辑已经成为当今美国年轻一代的RB音乐人的代表,年纪轻轻的他已经成为格莱美奖提名的常客,在当代RB音乐类的奖项中,近两年每年发

发表于:2019-01-31 / 阅读(499) / 评论(0) 分类 音乐咖啡厅

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

发表于:2019-02-05 / 阅读(518) / 评论(0) 分类 实用英语

-Blair: Why aren't you in Europe? -Chuck: I was in Paris, but only to get your favorite macaroons From Pierre Herm. -Blair: And Germany? -Chuck: To pick up your favorite Falke stockings. You know how I adore them. -Blair: What are you doing here then

发表于:2019-02-16 / 阅读(330) / 评论(0) 分类 跟着美剧练发音

Aristotle 亚里士多德 Aristotle was bom in Stageira, Chalcidice, in 384 BC. His father was the personal physician to King Amyntas of Macedon. Aristotle was trained and educated as a member of the aristocracy. At about the age of eighteen, he went

发表于:2019-02-21 / 阅读(410) / 评论(0) 分类 名人认知系列 Who Was
学英语单词
'twasn't
acrogenesis
angle of fall
antiunionization
autoptically
battery circult
be up to the mark
berthing tug
bilocal operator
bloems
boiler (feed) pump
bracket knee
buck's-eye
cable plate
centromeric exchange
co-creating
colour enamels
competitress
connecting chain
Cottonwood County
cross-gartered
cyanoacetohydrazine
cyperus rotunduss
data reorganization utility
dietic
East India
eel-set
exchange for physical (efp)
fieldstrip
Gmailing
got the shaft
haze extinction
headwall for tile outlet
homoeo-
ii thessalonianss
immunomodulatory
irrigation-warping horizon
Issyk-Kul
language independent macroprocessor
lee yuen kams
ligament of the neck of the rib
Losinoborskoye
Mariposa County
meat industry
mechanically operated press
medaglion
microvitellogenin
misrepresent
motorcars
mroue
naegleria fowleri
Newtonmas
Novosvitlivka
original building
papilloma molle
partial-turbine
patterings
perilymphatic fistula
Petronius
play hell with sth
Playtair's law
policy implementer
polish agent
positioning nystagmus
pre-formatted
presentation session
primitive lens
pub-crawling
qam/sc (quadrature amplitude modulation/suppresse d carrier)
quadratic convergence rate
Redcastle
respiration type
Rolland, Romain
rotary slide valve
schiller colour
sciatic spine
searation
shaitan
SIR (symbolic input routine)
size distribution
slosberg
small indefinite amount
software rendering
soil of relatively formation
spin bowler
still tide
sugar basin
superspecialized
sympathises
tangeman
tcam system
the outward man
tissue deformation
troopship
twin horn cleat
unoriginately
wind tunnel geometry
work forces
Z-Ro
zaibatsu cartels
zambrana