ice-free [英] [aɪs fri:] [美] [aɪs fri] [形] 无冰的 词频排名 50080/55435 学习人数 N/A 难度等级 10/10 认知比例 N/A 例句 We found an ice-free channel in the river. 我们在河流中找到了一条不结冰的水道。 We will have a three-month ice-free period during the summer. 我们将迎来夏季三个月的无冰期。 助记 联想 ice-forming