Question

absence
ab.sence  AHD[²b“s…ns]   DJ[6#bs*ns]  KK[6#bs*ns]
n.Abbr.abs.（名词）缩写abs.
1.The state of being away.
    缺席，不在：不在现场的状态
2.The time during which one is away.
    缺席时间，外出期：缺席或不在的时间
3.Lack; want:
    缺乏；急需：
    an absence of leadership.
    缺乏领导