repeat简单

But when Swetnam enrolled in graduate school at the University of Arizona’s Laboratory of Tree-Ring Research, he was surprised to find a record of repeated blazes dating back hundreds of years before European colonists arrived on the continent.

但当斯韦特纳姆进入亚利桑那大学树木年轮研究实验室读研究生时，他惊讶地发现了一份反复发生火灾的记录，这些记录可以追溯到欧洲殖民者抵达这片大陆之前的数百年。

repeat

重复

repeated government warnings.

政府的一再警告

This is why repeated attempts at reform legislation have failed in recent years, leaving the Postal Service unable to pay its bills except by deferring vital modernization.

这就是为什么近年来多次改革立法的尝试都以失败告终，致使邮政署除了推迟至关重要的现代化建设外，无法支付账单。