anti-theft alarm

• 防盗报警器

anti-theft alarm的用法和样例：

例句

1. When his little sister Christina and little brother Mark became old enough to get into Jeff's bedroom, he rigged a buzzer to his door that would go off like a burglar alarm.
   他的妹妹克里斯蒂娜与小弟弟马克长到可以到他的卧室时，他在门上装了一个蜂鸣器，响起来就像防盗报警器。