That is why a team from the National Aeronautics and Space Administration was surprised when they lowered a video camera to get the first long look at the underbelly of an ice sheet in Antarctica.
这就是为什么当航空航天局的一个专家组放下摄像机想看看南极洲冰盖下的景象的时候被惊呆了。
That is why a team from the National Aeronautics and Space Administration was surprised when they lowered a video camera to get the first long look at the underbelly of an ice sheet in Antarctica.
这就是为什么当航空航天局的一个专家组放下摄像机想看看南极洲冰盖下的景象的时候被惊呆了。
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