企源知识库

phrasal verbs
【正确答案】：Phrasal verbs are idioms which are composed of a verb plus a preposition and /or a particle.
【题目解析】：根据语法功能，习语分为名词性、动词性。形容词性等，动词性的习语分为短语动词和动词短语，这个名词是短语动词。