这张图片实际显示的,是距离火星北极不足240英里的沙丘上覆盖的一层薄薄的冰冻二氧化碳、或干冰。
The photographs actually show sand dunes coated with a thin layer of frozen carbon dioxide, or dry ice, less than 240 miles from the planet's north pole.
浅褐色的沙丘向北方延伸,披上了一层粉色;西南方峭壁的影子逐渐覆盖了谷底。
The beige dunes stretching to the north begin to take on a pink hue, and the shadows from the steep ridges to the southwest are spreading across the valley floor.
建筑一层的室外墙是由混凝土制成,作为对沙丘的回应。
The exterior walls on the ground level are made of concrete as a reminder to the bunker.
建筑一层的室外墙是由混凝土制成,作为对沙丘的回应。
The exterior walls on the ground level are made of concrete as a reminder to the bunker.
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