ice sheet

英 [aɪs ʃiːt] 美 [aɪs ʃiːt]

• n. 大冰原；冰盾

例句

用作名词 (n.)

1. 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。
2. 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。