SAT词汇讲解之前缀：bi-

奥巴马发表农历蛇年贺词

Killing of US school children sparks gun control discussion

十八届六中全会公报要点双语摘录

Words and their stories: Losing it

Defense Department investigates top American Commander in Afghanistan

30,000 Sandy-damaged cars stored on eastern Long Island

到别人家做客的十大禁忌

The State of Vermont: fertile farmland, green mountains

E-commerce challenges traditional stores

A declaration seeking life, liberty and the pursuit of happiness

Words and their stories: Santa Claus

New study could change treatment for asthma

United States Senate's process of confirming the president's nominees

On the bubble?

How an allowance helps children learn about money

WHO warns of malaria resurgence

Five actresses compete for coveted Oscar

Gay rights groups push for anti-discrimination laws

Washington insider Susan Rice could face tough nomination battle

London set for huge Chinese New Year celebrations

Teenager wins top prize for pancreatic cancer test

Tattoos illustrate art of saving lives

Words and their stories: state nicknames, part 3

Music would not be the same without the guitar

Epilepsy disorder suffered by millions around the world

Everglades National Park–one of the world's great biological wonders

Home TB treatment is helping patients in Swaziland

Now on the iPad: Apps for orangutans

Social Innovation Summit 2012 comes to an end

Abduction prompts girl to fight back for all women