1. Glaciation has shaped the landscape of many regions, leaving behind impressive features like glacial valleys and moraines. 冰川作用塑造了许多地区的地貌，留下了令人印象深刻的地貌特征，如冰川谷和冰碛。

2. The process of glaciation can take thousands of years to form large ice sheets and glaciers. 冰川作用的过程可能需要数千年才能形成大型冰盖和冰川。

3. Scientists study past glaciation events to understand how they have impacted the Earth's climate and environment. 科学家研究过去的冰川作用事件，以了解它们对地球气候和环境的影响。

4. The last glaciation period ended about 10,000 years ago, marking the beginning of the current interglacial period. 最后一个冰川时期约在1万年前结束，标志着当前间冰期的开始。

5. Glaciation can cause erosion and deposition of sediment, altering the landscape over time. 冰川作用会引起侵蚀和沉积物的沉积，随着时间的推移改变地貌。

6. The study of glaciation provides valuable insights into the Earth's past climate and helps predict future climate trends. 对冰川作用的研究为了解地球的过去气候提供了宝贵的见解，并有助于预测未来气候趋势。