On large ranches, copters have sirens for scaring out cattle lost in the bush.
在大的牧场里, 直升机装有警报器,可以把失散的牛从灌木丛中吓出来.
辞典例句
Four US copters have gone down in Iraq in recent weeks.
近几周以来,已有4架美军直升机坠落.
互联网
High Technology - Enhances special abilities of Dogs, Guardian Tanks, Cryo Copters , and Carriers.
高科技 —— 增强狗, 守护者坦克, 严寒直升机, 以及航母的特殊能力.
互联网