A light SPAR that crosses a fore-and-aft sail diagonally.
对角地穿过纵向船帆的轻质圆材。
A light SPAR that crosses a fore - and-aft sail diagonally.
对角地穿过纵向船帆的轻质圆材。
Iceland SPAR is a form of calcite that splits light into two beams.
冰洲石是方解石的一种存在形式,它可以把光线分成两束。
Young male polar bears SPAR under the low light of winter in Svalbard, a cluster of islands halfway between Norway and the North Pole.
在挪威和北极之间的半途上有的一群岛屿,称为斯瓦尔·巴特群岛。在冬季微弱阳光的照耀下,岛上的雄性北极熊仔在对打。
Young male polar bears SPAR under the low light of winter in Svalbard, a cluster of islands halfway between Norway and the North Pole.
在挪威和北极之间的半途上有的一群岛屿,称为斯瓦尔·巴特群岛。在冬季微弱阳光的照耀下,岛上的雄性北极熊仔在对打。
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