The air-raid alarm went on drilling away from the gate.
从大门不停地传来刺耳的空袭警报。
Safety device: Machine stop at abnormal air pressure, Heating pipe disconnection alarm.
安全装置：机器停在异常气压，加热管断线报警。
All the air raid warnings, without exception, had been false alarm.
所有空袭预告——毫无例外——都是虚假警报。
An alarm is generated of low purge air pressure.
净化空气压力过低时将会报警。
The city was ablaze with light, and not a single air -raid alarm sounded.
市内灯火辉煌，听不到一声空袭警报。
The city was ablaze with light, and not a single air-raid alarm sounded.
市内灯火辉煌，听不到一声空袭警报。
The loud alarm on the air could be heard everywhere.
广播的警报声到处可闻。
The loud alarm on the air could be heard everywhere.
广播的警报声到处可闻。
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