学习资料
[意 思]vi. 坚持,固执
[例]  Why do you persist in writing these things?
你为什么要坚持写这些东西呢?
vi. 持续,存留
[例]  The storm persisted for a week.
暴风雨持续了一个星期。
vt. 坚持说,反复说
[例]  He persisted that he had nothing to do with robbery. 他坚持说他与抢劫毫无关系。