McAuliffe's family reacts to a malfunction warning on the NASA public address system which was followed quickly by the explosion.
麦考利夫的家人反应美国宇航局上的一个公共广播系统，其次是快速故障爆炸警告。
McAuliffe's family reacts to a malfunction warning on the NASA public address system which was followed quickly by the explosion.
麦考利夫的家人反应美国宇航局上的一个公共广播系统，其次是快速故障爆炸警告。
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