preys造句

His misfortune preys upon his mind.
他的不幸使她心中苦恼.

The owl preys on mice.
猫头鹰捕食老鼠.

Wolf preys on various animals, securing some by craft, some by strength, and some by fleetness.
狼捕食各种动物, 有的用狡计, 有的用强力, 有的靠捷速.