waif

n.

无家可归的人；流浪儿；无主的东西或动物；（海上）漂流物

复数：waifs

waifs and strays n. 零碎东西；无家可归的人；流浪的动物

1. A waif is begging on the street.
   街上有一个流浪儿正在乞讨。
2. He has been a waif for many years.
   他已经许多年无家可归了。
3. She loved cats, and would take any waifs and strays into her home.
   她喜欢猫，也经常会带一些流浪的猫到她的家里。

REFLECTIONS ON THE WAIF
WAIF: Web of Asynchronous Information Filters
Waif Stories in Late Nineteenth-Century England
WAIF R : web-browsing attention recorder based on a state-transition model
WAIF R : web-browsing attention recorder based on a state-transition model
From War Waif to Ideal Immigrant: The Cold War Transformation of the Korean Orphan
Slave-queen, waif-prince: Slavery and social capital in eighteenth-century India
Assistance and protection system for waif base on community and core with family
Serf and waif colonization: distribution and dispersal of invertebrate species in Faroe Island settlement areas.
Influence of anti-platelet drugs on platelet-vessel waif interacticnks