[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(130) / 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(95) / 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(151) / 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(135) / 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(97) / 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(82) / 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(105) / 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(109) / 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(169) / 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(146) / 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(114) / 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(141) / 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(102) / 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(107) / 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(126) / 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(150) / 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(197) / 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(161) / 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(85) / 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(106) / 评论(0) 分类 名人认知系列 Who Was
学英语单词
acanthocarpous
acardia
Adachi-ku
aedes (finlaya) hurlbuti
allison science attitude scale
amiray ramie
autochthonous malaria
Bangkal
be bounded by
benahaviss
bicine
bilombrine
box hinge lug
breeza
charm quark
clypeomorus chemnitziana
cochineal syrup
compell
conditional operators
counter-adaptation
curious
deoxydization by molecular sieve
disorder of pregnancy
double coupling
droved
endometriosis of urinary system
erki
Ettelgem
Ferula karataviensis
foster fathers
genus Actinidia
genus Nuytsia
half-lap scarf
ichnology
incidental revenue miscellaneous
isocarveol
Kanahaha
Kuching
lanthanum oxychloride
long-form report
lseo
lycopodium yueshanense
lymphatic nevus
machine riveting
manufacturing loss
marital problem
medical control system
medical hall
methodicalnesses
monthly plan
move to check-count
mucor rhizopodifformis
myosinfibrin
nearly every day
NGU
nonblinded
noncapricious
nonseparator type hydropneumatic accumulator
null homotopic
numerical positioning control
pellet-lime mud
perceptual screen
Perdniretard
plasmatorrhexis
portable apparatus
prinky
proctatresia
protecting colo(u)ration
Pseudodrynaria
re-enfranchise
recks
remote parties
retrogressive winding
revultex
Ribes latifolium
rieder cell
river-crossing bridge
sangliers
segment cover
sgeirs
sherets
shield percentage
spinelet
spumed
stacked job control
stamping form
star bit
STOLEPHORIDAE
suspend public business
tax-rater
Tchélenga
tear duct
teaset
time division CDMA
trunnion bearing
upgradings
watch ... do
Willis paracusia
worst case performance
xor logic gate
Yagi antenna
yuccaloeside