用作定语
▲～+n.
She felt embarrassed by his persistent attentions.他不时地向她大献殷勤,使她很难为情。
There was a persistent sound of running water,although he had turned all the taps off.尽管他已关上了所有的水龙头,但仍有持续不断的流水声。

［派生词］ persistently adv. 持续地；不断地