glacialin

例句：

1. 1. The glacialin climate of the Arctic is characterized by long, cold winters and short, warm summers.
   北极的冰川气候以漫长的寒冷冬季和短暂的温暖夏季为特征。
2. 2. During the last ice age, the Earth's temperature dropped significantly, leading to widespread glaciers and ice caps.
   在最近的冰河时期，地球的温度显著下降，导致广泛的冰川和冰盖。
3. 3. Glacialin periods are important for understanding the history of life on Earth, as they provide clues about pasttemperatures and environmental conditions.
   冰河时期对于理解地球上生命的历史至关重要，因为它们提供了过去温度和环境条件的线索。