hisˌtoric ˈhigh ( hisˌtorical ˈhigh, less frequent )
noun
[] a time when a value or an amount is higher than at any other time; this value or amount 历史最高时期；历史最高值◆Job creation was at a historic high. 工作职位的创造达到了历来最高峰。◆The dollar hit a historic high of 760 pesos. 美元创下了历史最高值，达到 760 比索。