ice free

例句：

1. 1.The lake is ice-free this year.
   这个湖今年没有冰。
2. 2. Thecar was ice-freewhen it arrived at the airport.
   汽车到达机场时是无冰的。
3. 3. The ice-free area is apopular spot for winter sports.
   无冰区域是冬季运动的一个热门地点。