The children were drilled to leave the classroom quickly when the fire bell rang.
孩子们接受了如何在火警拉响时迅速离开教室的训练。
他当当敲击火警钟。
In case of fire, ring the alarm Bell.
遇火警时立即按警铃。
In case of fire ring the bell.
万一发生火灾，请按铃。
Your family should know what the fire alarm bell or born sounds like.
全家人应该知道火警铃或火警喇叭的声音。
Sound the alarm bell in case a fire breaks out.
万一发生火灾你就按响警铃。
In case of fire, ring the alarm bell.
这些烟把警报器触响了。
In case of fire, ring the bell.
如有火灾，按铃。
In case of fire, ring the alarm bell.
如遇火灾，即按警铃。
In case of fire, ring the alarm bell.
如遇失火，请按警铃。
In case of fire, ring the alarm bell.
遇到火警时请立即按警铃。
In case of fire ring the bell.
万一起火，请按铃。
In case of fire ring the bell.
万一起火，请按铃。
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