单词：icecaps
(icecap 的复数) n. （高山等上的）常积不消的冰, 冰盖
plural of icecap
n. a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak)
n. a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak)