英伦广角 激光可帮助啮齿类动物受损的牙齿再次生长

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

Bolt to run sprint relay in Ostrava

PRAGUE, March 14 (Xinhua) -- Usain Bolt had confirmed his participation in the men's 4x100 meters relay at the Ostrava Golden Spike meeting in Czech Republic scheduled on June 27, organizers said on Thursday. It will be the seventh time for the Jamai

VOA标准英语2008年-Lightning Bolt Hits Beijing Olympic Track

A Jamaican sprinter has taken a very short time to rewrite two cherished world records on the track. From the Olympics in Beijing, VOA's Jim Stevenson has more on the man with a name that fits his accomplishments. Jamaica's Usain Bolt celebrates win

Bolt, Pearson named IAAF athletes of the year

MONACO, Nov. 12 (Xinhua) -- Usain Bolt and Sally Pearson have been named the male and female world athletes of the year for 2011, IAAF President Lamine Diack announced on Saturday. Bolt, who won the award for the third time, and Pearson, a first-time

Bolt may play soccer or cricket after 2016

Bolt may play soccer or cricket after 2016

Usain Bolt wins 100m in 9.79 at Diamond League Oslo meet

WASHINGTON, June 7 (Xinhua) -- Three-time Olympic champion Usain Bolt won the men's 100-meter at the Diamond League Oslo meet Thursday in 9.79 seconds, 0.06 second ahead of Asafa Powell. Bolt hasn't lost since failing to defend his gold at the 2011 D

Usain Bolt's record by the numbers

Usain's Bolt's epic run on Sunday night to lower the 100m world record to its current mark of 9.58 seconds is even more impressive when you look further into the statistics（统计）. If he could maintain that speed over the whole 100m, with a flying

Bolt wins men's 100m as Ross takes women's 400m

LONDON, Aug. 5 (Xinhua) -- Usain Bolt set a new Olympic record of 9.63 seconds as he won the 100 meters gold medal on Sunday night. Bolt finished ahead of fellow Jamaican, Yohan Blake, who finished in 9.75 and Justin Gattlin, who ran 9.79, one hundre

Bolt to take part in Bislett Games in June

PARIS, Jan. 11 (Xinhua) -- Triple Olympic champion Usain Bolt of Jamaica said on Wednesday that he will compete in the Bislett Games in Oslo on June 7 to prepare for the London Games in August. Bolt, 25, world record holder in the 100 and 200m, surre

Bolt marks season best at Brussels Diamond League

BRUSSELS, Sept. 16 (Xinhua) -- World record holder Usain Bolt marked the fastest 100m of the season on Friday, clocking 9.76 seconds at the Diamond League. Bolt, 25, bettered the previous season best time of 9.78 seconds set by compatriot Asafa Powel

Bolt retains world title in men's 200m in Daegu

DAEGU, South Korea, Sept. 3 (Xinhua) -- Usain Bolt of Jamaica, the world's fastest man, retained his world title in the men's 200m with 19.40 seconds on Saturday night at the Daegu world championships. I feel great. I wasn't running angry, I was runn

Usain Bolt: I have nothing to say right now

DAEGU, South Korea, Aug. 28 (Xinhua) -- I have nothing to say right now. I need some time. This was Bolt's response on Sunday night after a sensational disqualification from the men's 100m final for a false start at the Daegu World Championships. The

Bolt nails 200m win in year's best time at Bislett

OSLO, June 9 (Xinhua) -- Usain Bolt ran the year's fastest time of 19.86 seconds to grab the men's 200m title at the Bislett Games here on Thursday in rainy conditions. Bolt delighted the crowd at Oslo's premiere athletics stadium with his usual pre-

Bolt wins 100m race in 9.91 seconds

PRAGUE, May 31 (Xinhua) -- Jamaican Usain Bolt clocked 9.91 seconds on Tuesday to win the 100 meters at the Golden Spike meet in Ostrava. Fellow Jamaican Steve Mullings timed 9.97 for the second place and Daniel Bailey of Antigua was third in 10.08.

Bolt wins comeback race in Rome

ROME, May 26 (Xinhua) -- World record-holder Usain Bolt won his first race after a nine-month break on Thursday when he needed a late kick to win the 100 meters in 9.91 seconds at the Golden Gala. Former record-holder Asafa Powell, who led all the wa

Bolt: Now I am a legend

LONDON, Aug. 9 (Xinhua) -- Usain Bolt made Olympic history as he won the gold medal in the 200 meters on Thursday night. Bolt ran 19.32 to finish ahead of fellow countrymen Yohan Blake and Wallace Weir to become the first man to win 100 and 200 meter

Bolt to ease training load in bid to prolong career

Bolt to ease training load in bid to prolong career RIO DE JANEIRO, Oct. 23 (Xinhua) -- Sprint champion Usain Bolt of Jamaica has revealed plans to diminish his training program in a bid to prolong his career. Bolt, 26, said on Tuesday his best chanc

Bolt to race in Copacabana beach sprint

RIO DE JANEIRO, Feb. 21 (Xinhua) -- Usain Bolt will next month compete in a 150m race on Rio de Janeiro's iconic Copacabana beach, according to a statement on the six-time Olympic champion's website. The 26-year-old will compete against four other el

Bolt breezes to take 200m in Zurich Diamond League

Bolt breezes to take 200m in Zurich Diamond League GENEVA, Aug. 30 (Xinhua) -- Newly crowned London Olympics champion Usain Bolt sailed to a comfortable 200m win in the Diamond League meeting in Zurich on Thursday. Bolt posted a meet record of 19.66

学个词Learn a Word 第1520 - stem from

今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表