prey on

汉语翻译：
捕食, 掠夺例句：

The decision prey on his mind.这项决定折磨着他。

Any of various slender, narrow-winged hawks of the genus Circus, such as the marsh hawk, that prey on small animals.各种瘦长窄翅膀的、以捕食小动物为生的鹞属鹰类中的任何一种，例如丛林鹰

In those far- off times Viking pirates used to prey on the coasts of Europe.在那些遥远的时代里，北欧海盗经常在欧洲海岸一带进行掠夺。

Hawks prey on small birds.鹰捕食小鸟。