stibiate

例句：

1. 1. The rock was stibiate by the sun's heat.
   阳光使岩石变得坚硬。
2. 2. The soil was stibiate by the rain.
   雨水使土壤变得坚硬。
3. 3. The ground was stibiate by the frost.
   霜冻使地面变得坚硬。