melting point diagram

例句：

1. 1. The engineerdrew a diagram to show the temperature gradient across the sample.
   工程师绘制了一个图表来展示样品温度梯度。
2. 2. The scientist used a thermograph to monitor the temperature changes in the liquid metal.
   科学家使用热像仪监测液态金属的温度变化。
3. 3. The graph of melting point shows that the substance is stable at temperatures above its normal boiling point.
   熔点图表明，该物质在高于其正常沸点的温度下是稳定的。