释义
a. 冰冻的
例句
1. Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas. 永冻土永久冰冻的下层土壤，出现在整个北极地区和部分长期寒冷的地区 2. These frozen foods are the most convenient of all. 这些冷冻食品是最为方便。
