Terrorism is the use of violence, especially murder and bombing, in order to achieve political goals or to force a government to do something. 恐怖主义
noun [专属名词] 恐怖主义
We need to unite against terrorism. 我们需要团结起来反对恐怖主义。
We need to unite against terrorism. 我们需要团结起来反对恐怖主义。