dropout

名词 dropout:

1. someone who quits school before graduation
2. someone who withdraws from a social group or environment

1. My disease is an asthma and a dropout and, what is less curable, seventy- five.
   我的病是气喘和水肿，还有无可救药的是七十五(岁)。

drop.out

n.（名词）

One who quits school.
退学生：离开学校不读书的人
One who has withdrawn from a given social group or environment.
退出者：退出某一社会团体环境的人
Computer Science
【计算机科学】
A segment of magnetic tape on which expected information is absent.
遗失信息：磁带上所需信息缺失的一段
The failure to read a bit of stored information.
信息遗失：不能读出一部分存储信息