警铃的用法和样例：
例句
-
火警的警铃在哪？
Where's the fire alarm? -
警铃响起，顾客纷纷（从银行）逃走。
The customers fled (from the bank) when the alarm sounded. -
警铃声把贼吓跑了。
The alarm frightened the burglars away. -
如遇失火，请按警铃。
In case of fire, ring the alarm bell. -
那贼听到警铃声就飞快逃走了。
The thief ran like anything when he heard the alarm. -
火警铃的铛铛声惊动了全村的人。
The clang of the firebell alarmed the village.
