ice sheet
例句
用作名词(n.)
- Photosynthesizing organisms cast a green glow across the sweep of the ice.进行光合作用的生物在冰原上投下一缕绿色。
- Their presence implies that the West Antarctic ice sheet must have disappeared during that time.从它们的出现可以推论，西部南极冰原在当时应该不存在。