VOA慢速英语:Changes to Twitter Let You Say More in a Tweet

character - n. a symbol (such as a letter or number) that is used in writing or printing

#hashtag - n. (on social media sites such as Twitter) a word or phrase preceded by a hash or pound sign (#) and used to identify messages on a specific topic

web address - n. an internet address of a website, file, or document in the general format

GIF - n. a graphic image on a Web page that moves

poll - n. an activity in which several or many people are asked a question or a series of questions in order to get information about what most people think about something

quote - n. to repeat (something written or said by another person) exactly

reply - n. to say, write, or do something as an answer or response

malware - n. software that is intended to damage or disable computers and computer systems

frustrating - adj. causing feelings of anger and annoyance