问题描述：
请问大家It seemed inconceivable that the pilot could have survived thecrash.中的could have survi...
请问大家It seemed inconceivable that the pilot could have survived thecrash.中的could have survived怎么理解和解释?
请问大家It seemed inconceivable that the pilot could have survived thecrash.中的could have survived怎么理解和解释?
问题解答：
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