It has been called the first "Twitter Olympics" in the West, including on CNN. But in China - where the government has long blocked the popular U.S.-based social media site - the London Games are undoubtedly the first "Weibo Olympics." Micro-blogging sites - called "Weibo" in Chinese - have exploded in China since one of the country's biggest web portals, Sina, launched its Twitter-like service in 2009, a year after the Beijing Olympics.
n. 表演,表现; 履行,实行
n. 性能,本