noun 下载 🔗分享 冰臼,冰穴 A cylindrical, vertical shaft that extends through a glacier and is carved by meltwater from the glacier’s surface. Examples : "During the summer melt, water rushed into the glacier's moulins, disappearing into the icy depths. " 在夏季融化期间,水流涌入冰川的冰臼,消失在冰冷的深处。 geology geography environment nature 与AI对话词汇游戏阅读练习