freezing of degree of freedom

例句：

1. 1. The ice is starting tofreeze over the lake.
   湖上的冰开始结了。
2. 2. The snow has started to solidify on the ground.
   地上的雪已经开始结冰了。
3. 3. Freezing temperatures are expectedto continue throughout the week.
   预计整个星期都会持续低温。