警报器的用法和样例:
例句
-
这些烟把警报器触响了。
The smoke triggered off the alarm. -
防盗警报器一响,警卫就放出了警犬。
The guard loosed the dogs when the burglar alarm went off. -
防盗警报器一响,盗贼立刻逃走了。
The thieves ran away when the burglar alarm went off. -
我们都听到了空袭警报器的声音。
We all heard the air-raid siren.