persistent
adj. 执意的,坚持不懈的;持续的,反复出现的;(化学品,放射性)作用持久的,挥发慢的;(动植物某部位,如角、叶等)宿存的,不落的
比较级 more persistent
最高级 most persistent
例句
I had a persistent cough for over a month.
我持续咳嗽已经一个多月了。
《柯林斯英汉双解大词典》
Three children were removed from the school for persistent bad behaviour.
三个孩子因持续行为不检被学校开除。
《牛津词典》
Despite persistent rain showers, the lawn and pavilion were packed with fans.
尽管有持续阵雨,草坪上和亭子里还是挤满了仰慕者。