[] a time when something is arranged to happen, as part of a series of similar things; a position in a list（日程安排中的）时间；（节目单中的）位置◆The airline has agreed to give up take-off and landing slots at London's Heathrow.航空公司已同意放弃使用伦敦希思罗机场的起降时段。a job, especially a senior one（高层）职位◆He stepped into the top slot at Dixons in September.他于九月进入迪臣集团的高级管理层。