A pit in the Moon - this high Sun view of the Mare Tranquillitatis pit crater on Earth's Moon reveals boulders on an otherwise smooth floor.
这是在月球静海地区出现的月球坑，平坦的表面巨石遍布，当时正值艳阳高照。
However, a pit in the floor of the crater has exposed light-toned, fractured rock.
然而，撞击坑的底部却暴露出浅色，断裂的岩石。
However, a pit in the floor of the crater has exposed light-toned, fractured rock.
然而，撞击坑的底部却暴露出浅色，断裂的岩石。
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