英语问题participate、involve、combine、associate的用法,区别?

英语问题participate、involve、combine、associate的用法,区别? 问下 associate与combine用法有什么具体区别? 请问relate associate combine有什么区别啊 combine的用法 relate和associate的用法有什么区别? 英语中各种参与,如join in ,join ,take part in,participate in等用法的区别 combine的用法要有实例 高一英语include,contain,consist,involve的区别? join/combine/unite/connect/link/attach/associate/relate有什么区别 involve和include的区别? contain、include、involve的区别 involve和include的区别