disappearance

柯林斯词典

1. N-VAR If you refer to someone's disappearance, you are referring to the fact that nobody knows where they have gone. 失踪
Her disappearance has baffled police. 她的失踪令警方大为困惑。
2. N-COUNT If you refer to the disappearance of an object, you are referring to the fact that it has been lost or stolen. 丢失
Police are investigating the disappearance of key files on the killers. 警方正在调查杀人凶手关键档案丢失一事。
3. N-UNCOUNT The disappearance of a type of thing, person, or animal is a process in which it becomes less common and finally no longer exists. 绝迹
...the virtual disappearance of common dolphins from the western Mediterranean in recent years. …普通海豚近年来在地中海西部真正的绝迹。

An investigation has been under way for several days into the disappearance of a 13-year-old boy .
Her disappearance was reported to the police department's Missing Persons Bureau.
After ten years her mystifying disappearance was still unexplained .
The disappearance of the ship , on a routine mission in 1925, has never been explained .
Many viewers are furious about the programme's sudden disappearance from the schedules .