crusted
/ˈkrʌstɪd/📚 29071六级考研雅思托福gmatIf something is crusted with a substance, it is covered with a hard or thick layer of that substance. 硬皮的; 厚皮的
adjective [原级]生了外皮的；有沉淀的；陈旧的；陈年的
He sat down to remove his mud-crusted boots.
他坐下来，脱掉沾满泥土的靴子。
单词造句:
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- ...flat grey stones crusted with lichen. ...长着一层厚青苔的扁平灰色石头。
- 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。