| 单词 | past master |
| 释义 | past master past master n.Abbr. PM,P.M.（名词）缩写 PM,P.M.1. One who has formerly held the position of master in an organization, especially a social one such as a lodge or club.前会长：曾在一个组织，尤指社交组织，如分会或俱乐部中正式任首领的人2. One who is thoroughly experienced and skilled in a particular craft or activity.内行，老手：对于某种特定的技能或活动十分有经验或十分有技术的人 |
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