[] ( milepost /ˈmaɪlpəʊst; NAmE-pəʊst/especially in NAmE ) a very important stage or event in the development of sth里程碑；重大事件◆The company passed an important milestone yesterday, announcing its first profits.这家公司昨天经历了一个重大事件，即宣布其首次赢利。◆The appointment represents a milestone in her career.这一任命是她职业生涯中的一个里程碑。⨁to pass / reach a milestone经过／到达一个里程碑⨁sth marks / represents / signals a milestone某物表明／ 代表／标志着一个里程碑a time in a project by which particular tasks should be completed（项目的）阶段性目标◆Ideally, planning meetings should be linked to milestone dates.会议日期的安排最好与取得阶段性目标的日期相关。◆Milestones and deliverables are defined in the project plan.阶段性目标和可交付产品在项目计划中已经确定。➡deliverable ➡ picture at PERT ⨁to agree / define / set milestones同意／规定／确定阶段性目标