剑桥词典a very severe headache , affecting mainly one side of the head and happening several times within a period of time 集束性头痛（一种剧烈头痛，主要影响头部一侧，在一段时间内反复发作） Cluster headaches are a lifelong condition for most sufferers . 对大多数患者来说，集束性头痛是一种终生疾病。 返回 cluster headache