silver alert

短语

词形变化

silver alerts 复数 silver alerts

释义与例句

n.
  1. 1.

    A public notification of a missing person, especially a senior with dementia.

    加拿大 美国

词源

Introduced in 2005 by Oklahoma state representative Fred Perry, modelled on amber alert. Silver suggests the grey hair of elderly people; compare silver fox.

来源：wiktionary