“冻硬”造句

现在天气冷极了，地面都冻硬了。
It was bitterly cold now and the ground was frozen hard.

把它冻硬，但是不要硬得像石头一样。
Freeze it only until firm but not rock solid.

雪橇在冻硬了的雪上顺利滑行.
Sledges run well over frozen snow.

• #冻硬