这个广受欢迎的微博客网站，在星期四的大部分时间里停止服务，它其实是在抵御一场网络攻击，但当天晚间服务得到了恢复。
Twitter, the popular microblogging site, was out of service much of the day Thursday as it worked to defend itself against a Web attack, but service appeared to have been restored by late evening.
这类网站很受年轻人的欢迎，但却触碰到了版权的问题。
Such websites are very popular among young people but have copyright problems.
几周之内，Listpic的网站排名已经从原先的高度掉到了15000名之内。 它的受欢迎程度在某些地方掉到了10万名，而且还在继续下降。
Within weeks, Listpic had fallen from its perch as one of the top 15,000 sites on the Web —the height of its popularity —to somewhere below 100,000th place, where it languishes still.
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