这防盗警报器一动就会响。
防盗警报器一响，窃贼立刻逃走了。
这种防盗警报器一压就会响。
我们的防盗警报器不知怎么常常失灵。
防盗警报器一响，警卫就放出了警犬。
这个房间安有防盗警报器。
我们安装了防盗警报器。
如果你愿意听一会儿，我就讲讲防盗警报器是怎样工作的。
If you will lend me your ear for a minute, I will explain how the burglar alarm works.
我们不仅要所好大门还有在上面安上防盗警报器才能让我们感到安全。
We are not only locking our front door but also put the burglar alarm on it too, can we just have a safety.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮忙窃贼入室行窃。
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮忙窃贼入室行窃。
Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.
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