Ronald Reagan: The Space Shuttle Challenger Tragedy Address罗纳德里根:关于挑战者号航天飞机悲剧的演讲 Ladies and Gentlemen, Id planned to spe,Ladies and Gentlemen, Id plan
中英对照里根挑战者航天飞机Tag内容描述：
1、Ronald Reagan: The Space Shuttle Challenger Tragedy Address罗纳德里根:关于挑战者号航天飞机悲剧的演讲 Ladies and Gentlemen, Id planned to spe。
2、Ladies and Gentlemen, Id planned to speak to you tonight to report on the state of the Union, but the events of earlie。
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