【正确答案】Microblog is a broadcast medium existing in the form of biog. Through microblog not only can people acquire and share vast body of information in seconds but also communicate with others. The American website Twitter is the earliest and most famous microblog. In 2009, 'Sina Weibo' was launched and became the first microblog website in China. At present, at least 70% of the netizens are microbloggers. Microblog has emerged as such an important website source of real-time news updates that a new word 'the Microblog Era' has come up.

【答案解析】本文主要介绍了微博这个当下的热门事物，属说明文。译文应采用较正式的说明性语言，时态主要为一般现在时。本文与实际生活联系紧密，生词术语较少，在翻译时注意句式的变化以及语言的地道性。另外，在准确理解句意的基础上，可以采取意译的方法。