Welcome to the Voice of America's News Words.

欢迎收看美国之音：新闻词汇。

This news word is from a story about the social media site Twitter: Troll.

这个新闻词汇来自于关于社交网站推特的一则故事：喷子。

Twitter can be a helpful source of news, information and advice.

推特可以作为一个有用的新闻、信息和建议的来源。

It can also cause trouble among its users.

它也会在其用户中引起麻烦。

Twitter is working to solve the problem of troll accounts.

推特正致力于解决那些发表恶意言论的账户的问题。

On the Internet, a troll is a person who causes conflict by writing offensive or untruthful messages to make people angry.

在网络上，喷子指的是一个通过写带有攻击性或不真实的信息让人生气从而引发争端的人。

In stories, a troll is a very big or very little ugly creature who can be dishonest and aggressive.

在故事中，troll 一词指的是一个身形巨大或矮小的丑陋的生物。这个生物可能是不诚实或具有攻击性的。