absence from a place [a meeting, etc.] 不在某地(未到会等)
mark the absence 记下缺勤
an absence of five days 缺勤[缺席]5天
several absences from school 多次旷课
after ten years' absence 离开十年后(归来等)
during sb's absence (某人)不在期间(一直)
in sb's absence 当某人不在时期;当某人不在场时
Absence makes the heart grow fonder. 【谚】 离别情更深,地远心愈近.

an absence of humor 缺乏幽默感
absence of the vagina 阴道缺失症,石女症.

He has fits of absence. 他经常心不在焉.