Michael Phelps helped U.S. team set a new short course world record in 3 minutes 20.71 seconds in the 4x100m medley relay at the "Duel In the Pool" event in Manchester of England on Friday. The previous record of 3:23.33 was set by Canada in August this year in Leeds.
Phelps was joined by Nick Thoman, Mark Gangloff and Nathan Adrian in the U.S. team.
Michael Phelps of the U.S. swimming team celebrates after winning the men's 4x 100 medley relay during the Duel in the Pool competition at the Manchester Aquatics Centre in northern England December 18, 2009.
Cyborg beetle and the teenage brain 半机械甲虫，青少年脑部发育
Art and football 海底发现文物，莱斯特城足球俱乐部曼谷庆功
Pain in the neck 令人讨厌的事情或人
Test the water 试探，摸底
A bitter pill to swallow 不得不吞的苦药
Canada wildfire and NASA discovery 加拿大林火，美国国家航空航天局发现系外行星
A recipe for disaster 后患无穷
India's sewer workers and British school standards 印度下水道工人施工安全，英国在校生学习成绩下降
Antibiotics and escalator etiquette 美国人过多使用抗生素，伦敦地铁扶梯礼仪
To fall at the first hurdle 跌倒在第一关
Close, but no cigar 几近成功
To turn something upside down 把……翻个底朝天
The cost of protecting the environment, Juno space probe 保护环境付出的代价，“朱诺”木星探测器
California wildfires and cloned animals 加利福尼亚州野火，克隆动物衰老过程正常
Alligator takes boy and Tate Modern extension 鳄鱼拖走小男孩，泰特现代美术馆扩建完工
In good nick 品质好、没有损坏
Off the hook 脱身
In the blink of an eye 一眨眼之间
Cheap and cheerful 物美价廉
Hot potato 棘手的问题“烫手山芋”
Brexit and Hockney's art 英国脱欧公投后进展，大卫·霍克尼艺术展
The university of life 生活经历
White / blue-collar worker 白领，蓝领
IOC on Russian doping and hot June 奥委会就涉俄兴奋剂事件报告进展，六月高温破纪录
Earth-like planet, Pink cockatoo dies at 83 类地行星，83岁风头鹦鹉逝世
Barefaced 厚颜无耻的
To make a monkey out of me 捉弄我
It's on the cards 这件事十有八九会发生
Clean up your act 改邪归正
Glass-bottomed bridge, cancer risk for HRT and 120-year-old man 世界最长玻璃桥开放，荷尔蒙替代疗法增患癌风险，印度教120岁僧人