Glaciation
01
冰川作用, 冰河时期
the geological process involving the expansion and movement of glaciers, shaping landscapes through erosion, deposition, and the formation of distinctive glacial landforms
例子
The Great Lakes were formed during past glaciation periods when massive ice sheets shaped the landscape.
五大湖是在过去的冰川作用时期形成的，当时巨大的冰盖塑造了地貌。
Glacial striations on bedrock surfaces provide evidence of the direction of ice flow during glaciation.
基岩表面的冰川擦痕提供了冰川作用期间冰流方向的证据。
02
the state or condition of a region being covered by glaciers or ice as a result of glacial activity
例子
The valley 's glaciation persisted for thousands of years.
Glaciation left thick ice sheets across the landscape.
词汇树
glaciation
glaciate
glace
