If something is impounded by policemen, customs officers or other officials, they officially take possession of it because a law or rule has been broken.
例句
The ship was impounded under the terms of the UN trade embargo...该船因触犯联合国贸易禁运条款而被扣押。The police moved in, arrested him and impounded the cocaine.警察冲进去将他拘捕并没收了可卡因。
英英词典释义
Noun
1. placing private property in the custody of an officer of the law