单词：glaciations
(glaciation 的复数) n. 冻结成冰, 冰川作用
plural of glaciation
n. the condition of being covered with glaciers or masses of ice; the result of glacial action
n. the process of covering the earth with glaciers or masses of ice
n. the condition of being covered with glaciers or masses of ice; the result of glacial action
n. the process of covering the earth with glaciers or masses of ice