第三人称复数：glaciations
911查询·英语单词
名词冻结成冰，冰河作用
1. 冰蚀现象;冰川作用：girder 主梁;大梁 | glaciation 冰蚀现象;冰川作用 | gland 封头;压盖
2. 冰川作用：glacialdrift 冰河冲击层 | glaciation 冰川作用 | glacier 冰川
3. 冻结成冰：glaciated 冻结成冰的 | glaciation 冻结成冰 | glacier theory 冰川说
4. 冰蚀：glaciated 受冰川作用的 | glaciation 冰蚀 | glacier till 冰碛物
1. 冰蚀；冰川作用；冰川期
In geology, glaciation is the process by which the land is covered by glaciers. Glaciations are periods when this happens.
1. Features of glaciation during the Quaternary Period make Lushan even more mysterious.
noun
1. the process of covering the earth with glaciers or masses of ice
2. glaciation
2. the condition of being covered with glaciers or masses of ice
the result of glacial action
e.g. Agassiz recognized marks of glaciation all over northern Europe