n-型掺杂, 负型掺杂

Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew

发表于:2018-12-02 / 阅读(315) / 评论(0) 分类 初级口语教程

Doping in Sports Mia: This is ridiculous! Theyre going to suspend Eric Rodrigo for doping. Alex: From what Ive read, he failed his random drug test and they found performance- enhancing drugs in his system. Mia: But hes one of the best players on the

发表于:2018-12-03 / 阅读(139) / 评论(0) 分类 2013年ESL之餐饮娱乐

SCIENCE IN THE NEWS - Sports Doping: From the Playing Field to the Laboratory From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Mario Ritter. And Im June Simms. Today, we report on sports doping -- the use of drugs or othe

发表于:2018-12-07 / 阅读(113) / 评论(0) 分类 2013年VOA慢速英语(三)月

The Court of Arbitration for Sport has rejected an International Olympic Committee (IOC) decision to bar 28 Russian athletes from Olympic competition. The IOC had ruled against the athletes for violating its anti-doping rules at the 2014 Winter Olymp

发表于:2018-12-08 / 阅读(148) / 评论(0) 分类 2018年VOA慢速英语(二)月

Bella: What's your blood type, Luke? Luke: It's A, I think. Why do you ask? Bella: Well, mine's B. Luke: So? Bella: They say people with A blood type get along very well with those with B blood type. Luke: Really? 你是什么血型? 贝拉:卢克,

发表于:2018-12-08 / 阅读(477) / 评论(0) 分类 赖世雄初级美国英语

SCIENCE IN THE NEWS - Sports Doping: From the Laboratory to the Playing Field FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. Today, we tell about sports doping the use of drugs o

发表于:2018-12-16 / 阅读(110) / 评论(0) 分类 2011年VOA慢速英语(四)月

发表于:2019-01-02 / 阅读(274) / 评论(0) 分类 知性英语

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. VOICE TWO: And I'm Bob Doughty. Our subject this week is sports doping. (MUSIC) VOICE ONE: Sports have long been part of popular culture. In the United States, some pl

发表于:2019-01-06 / 阅读(111) / 评论(0) 分类 VOA慢速英语2009年(二)月

AS IT IS 2016-10-05 Maria Sharapova's Doping Ban Reduced This is Whats Trending Today Maria Sharapova will be able to return to competitive tennis next April, after the Court of Arbitration for Sport reduced her doping ban from 24 months to 15 months

发表于:2019-01-12 / 阅读(132) / 评论(0) 分类 2016年VOA慢速英语(十)月

By Steve Schy Turin 24 February 2006 The International Olympic Committee has taken the unusual step of releasing the results of doping tests that were negative for drugs in the samples of 10 members o

发表于:2019-01-13 / 阅读(199) / 评论(0) 分类 2006年VOA标准英语(二月)

Olympic Athletes Still Use Some Rx Drugs As A Path To 'Legal Doping' DAVID GREENE, HOST: Athletes competing at the Olympics in Rio have been taking a hard line against their peers who've been accused of doping. But competitors can actually still enga

发表于:2019-01-17 / 阅读(124) / 评论(0) 分类 2016年NPR美国国家公共电台8月

A firestorm has erupted over allegations on a U.S. television networks report that seven-time Tour de France cycling champion Lance Armstrong used banned substances(物资,基本内容) to achieve greatness. Lance Armstrong won a record seven Tour de

发表于:2019-02-02 / 阅读(137) / 评论(0) 分类 英语新闻

今天我们要学的词是doping。 Doping, 通常指运动员使用兴奋剂。 A Spanish cyclist was kicked out of the games in the first official doping case of the Beijing Olympics, 一名西班牙自行车选手被取消参赛资格,成为北京

发表于:2019-02-05 / 阅读(110) / 评论(0) 分类 英语每日一词

BEIJING, Jan. 15 (Xinhuanet) U.S. top rank cyclist Lance Armstrong confessed to Oprah Winfrey during an interview on Monday that he used performance-enhancing drugs to win the Tour de France. Armstrong said he was prepared to speak candidly during th

发表于:2019-02-07 / 阅读(161) / 评论(0) 分类 英语新闻

HAVANA, July 11 (Xinhua) -- All of the 110 Cuban athletes heading to the London 2012 Olympic Games were declared Wednesday to be free of illegal (performance-enhancing) substances by Cuba's National Anti-Doping Brigade. That fact is another expressio

发表于:2019-02-08 / 阅读(121) / 评论(0) 分类 英语新闻

KINGSTON, Nov. 17 (Xinhua) -- Jamaican sprinter Steve Mullings might be banned for life from athletics after found guilty of using the banned substance furosemide Thursday by a three-man disciplinary panel. Mullings' urine sample was found positive o

发表于:2019-02-08 / 阅读(178) / 评论(0) 分类 英语新闻

今天我们要学的词是doping。 Doping, 通常指运动员使用兴奋剂。 A Spanish cyclist was kicked out of the games in the first official doping case of the Beijing Olympics, 一名西班牙自行车选手被取消参赛资格,成为北京

发表于:2019-02-08 / 阅读(148) / 评论(0) 分类 英语单词荟萃

MOSCOW, Feb. 8 (Xinhua) -- Russian long jumper Tatyana Kotova had been banned for a provisional doping case, the Russian Anti- Doping Agency announced Friday. The three-time world indoor champion had a sample at the 2005 World Championships tested po

发表于:2019-02-17 / 阅读(147) / 评论(0) 分类 英语新闻

USADA release strong evidence for Lance Armstrong doping case WASHINGTON, Oct. 11 (Xinhua) -- The U.S. Anti-Doping Agency on Wednesday issued a 1000-page investigation report full of evidence that shows the world's most famous cyclist Lance Armstrong

发表于:2019-02-18 / 阅读(128) / 评论(0) 分类 英语新闻

NAIROBI, May 29 (Xinhua) -- ARD, the German national TV station whose report alleged blood doping among Kenyan runners on Tuesday hit back against claims their findings were baseless as dismissed by Athletics Kenya (AK). ARD Nairobi Bureau Chief Pete

发表于:2019-02-18 / 阅读(125) / 评论(0) 分类 英语新闻
学英语单词
accipiter gularis gularis
Acidosasa purpurea
age and intelligence
antenna radiation
Banten, Tk.
big tree transplanting
bladder washout method
brevipilus
cabinet rack
charged particle equillibrium
check bolster
clearing and compensation agreement
clock-face model
cloudify
common-gate amplifier
compatibility of fixed point constraint
composite color picture signal
conformingly
Coondambo
daccha
deed of arrangement
denoble
direct-reading tachometer
directing character
drowned pump
economic concentration
effect of termination
elasticating
empty-nest
fat type soil
fill the bill
flag surtax
floxed
follow system
foreclose on
foreign duty pay
fosfocreatinine
fungoid lupus
genus lecanoras
Gorodetskiy Rayon
graphidessa variegata
graviera
Griebhard's rings
high-altitude observatory
higher cognitive process
horizontal corn binder
international insurance
Kasum-Ismailov
kawulok
laryngeal catarrh
Lasiocaryum
lionship
lordotic position
macrostandard data
making out
medical aesthetic chief diagnostician
merguard
middle frontal gyrus
mill-ponds
Morel R.
motor transport conversion and computation chart
multiphase solidification
new capital account subhead
ninon
non-polar group
normalized quaternion
not to be sneezed at
output power of sound transmitter
oxomonocyanogen
panther cat
Pants Down
parameter of synchronous machine
peak distortion measure
philodromus spinitarsis
PIN Photodiode Modules for Communication
pneumatic excavator
profiter
proportional limit
prostratest
psoriasis discoidea
quickgo
read forward
rear dump truck
reclaims
return factor
Saint Albans Raid
Shimata-gawa
shuck-bottomed
silico-copper alloy
spazzing
specific control
surf fishing
thigmotropisms
till billow
Tiszanagyfalu
universal screw wrench
unrestraints
urinary irritation symptoms
vertical management
ytterbia (ytterbium oxide)
zealful
zidapaimide