If the huddle breaks, even for a moment, precious heat escapes. 如果包围圈散了,哪怕就一小会儿 宝贵的热气也会消散
these precious drops are life-savers for many different creatures. 这些宝贵的水滴是许多动物的救命物资
The nests are very precious objects, 燕窝是非常珍贵的东西
Yet these precious waters are rich with surprise. 可是这些珍贵的淡水中却充满了惊奇
The males are still carrying the precious eggs 雄企鹅们仍然看护着它们的宝贝