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。
In case of fire, ring the alarm bell.
这些烟把警报器触响了。
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.
如遇失火，请按警铃。
In case of fire, ring the alarm Bell.
遇火警时立即按警铃。
In case of fire, ring the alarm bell.
如遇火灾，即按警铃。
In case of fire, ring the alarm bell.
遇到火警时请立即按警铃。
In case of fire, ring the alarm bell.
遇到火警时请立即按警铃。
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