metastable

例句：

1. 1. The temperature of the liquid is metastable at room temperature.
   液体在室温下是亚稳态的。
2. 2.The chemical system is metastable and will eventually reach equilibrium.
   这个化学系统是亚稳态的，最终会达到平衡。
3. 3. Metastable states are important in understanding the behavior of materials under extreme conditions.
   在极端条件下理解材料行为时，亚稳态状态非常重要。