～ headache持续不断的头痛 ～ ringing of the telephone响个不停的电话铃声
句型例句
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。