liquidus

例句：

1. 1. The scientist studied the properties of liquidus in different environments.
   科学家研究了不同环境下液体的性质。
2. 2.The chemical reaction occurred at room temperature, which is characteristic of liquidus.
   化学反应在室温下发生，这是液态的特征。
3. 3. The physicist used a liquidus thermometer to measure the temperature of the liquid.
   物理学家使用一个液态温度计来测量液体的温度。