VOA慢速英语:Trending Today: OMG! TwitterDown

短语讲解：

1. Once users were able to access Twitter again, many posted about what they did during the Twitter outage, instead of writing tweets or checking for updates.

be able to 能够做; 能,会
例句：We study samples in order to be able to describe populations.
为了了解总体，必须研究样本。
instead of （用…） 代替…， （是…）而不是…， （用…）而不用…
例句：I decided to treat myself to a taxi, eg instead of walking.
我决定坐他一次计程车。