absent.
adj. 缺席的；缺少的；心不在焉的；茫然的；
例句：She was absent for nine consecutive days.
她一连缺席了九天。
相关介绍
You've been absent six times according to our records.
根据我们的记录，你已经缺席六次了。
It's the manager's job to organize cover for staff who are absent.
安排他人顶替缺席的员工是经理的工作。
He went into the bathroom absent-mindedly and looked at himself in the mirror.
他心不在焉地走进了浴室，照着镜子看了看自己。
Old established friends are notably absent, so it's a good opportunity to make new contacts.
老朋友们显然都已不在身边，所以这是结交新朋友的一个好机会。
I have typed out some lecture notes for the benefit of those people who were absent last week.
我帮上星期缺席的人打印了些上课的要点。
