火灾警铃响起。
"Let's say there's a 911 call," he says. "the fire alarm goes off."
“比方说我们收到一个911报警电话”，他讲道，“火警警报突然拉响。”
Practicing a fire alarm drill similar to those done in school is a smart way to give kids a dry run of what should occur if the fire alarm goes off
提前在家里让孩子们进行火警演练，就像在学校里那样，这样做是非常明智的。
Practicing a fire alarm drill similar to those done in school is a smart way to give kids a dry run of what should occur if the fire alarm goes off
提前在家里让孩子们进行火警演练，就像在学校里那样，这样做是非常明智的。
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