refuge floor

基本解释

The main floor is slightly elevated above grade, enabling occupants to observe the street. Outside, an entry courtyard bordered by a fence helps maintain a feeling of refuge.
主樓層略高於室外高度，使居住者可以觀察街道…外麪的入口庭院使用籬笆分隔，有助於保持私密的感覺。
Toward the top (northern) end of the image, the ice becomes sparser, but the walls of a large impact crater in the upper-left corner provide a refuge for an oblong ice deposit on the crater floor.
接近照片頂部盡頭（即北部），冰雪變得較稀少，但是左上角一個巨大的撞擊隕石坑壁卻爲環形山底的一塊橢圓形積冰提供了庇護所。