unfreezing

例句：

1. 1. The ice was unfreezing slowly from the bottom up.
   冰从底部开始慢慢融化。
2. 2. The river had been frozen for months, but now it was unfreezing.
   这条河已经冻结了好几个月，但现在正在融化。
3. 3. The snow is unfreezing on the ground, and soon we will be able to walk outside again.
   地面上的雪正在融化，我们很快就能再次走出户外了。