crusted
adj. 生了外皮的;有沉淀的;陈旧的;陈年的
例句
He sat down to remove his mud-crusted boots.
他坐下来,脱掉沾满泥土的靴子。
《柯林斯英汉双解大词典》
Ice crusted the lake last night.
湖面上昨夜结了一层冰。
There are possible havens for life, such as the ice-crusted water world Europa.
它们当中有的还可能是生命的天堂,比如欧罗巴(Europa)卫星,它被冰层覆盖,存在水源。