年近八十的他们将在华盛顿特区的史密斯苏聂航空航天博物馆举行一次有关太空历史的联合演讲。
With all of them nearing their 80th birthdays, they will deliver a joint lecture on space history at the Smithsonian Institution's National Air and space Museum in Washington.
年近八十的他们将在华盛顿特区的史密斯苏聂航空航天博物馆举行一次有关太空历史的联合演讲。
With all of them nearing their 80th birthdays, they will deliver a joint lecture on space history at the Smithsonian Institution's National Air and space Museum in Washington.
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