theft-proof alarm是什么意思 theft-proof alarm怎么读
theft-proof alarm的用法和样例
- 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。
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