n.牺牲者；被掠食者，猎物
vi.掠夺；捕食；使 ... 苦恼
She fell (a) prey to melancholy. 她为忧郁所折磨。
The lion seized its prey and ate it. 狮子抓住猎物，把它吃了。
The eagle seized its prey in a tenacious grip. 鹰将捕获物紧紧抓住。
用作不及物动词 (vi.)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。
Stronger animals prey upon weaker ones. 强大的动物捕食弱小的动物。
Fear of the consequences preyed on her mind. 她担心其后果而惴惴不安。
The thought that he was responsible for her death preyed on his mind. 他一想到自己对她的死负有责任就感到心如刀割。
prey用作动词时不及物，常与介词on或upon连用，后接名词或代词作宾语。
七鳃类
捕食生物的
n.猛兽；猛禽；掠夺者
n.[动]鹗
