diaphaneity

例句：

1. 1. The diaphaneity of the material is important for its performance.
   材料的透明度对其性能至关重要。
2. 2. The color of the diamond is a measure of its diaphaneity.
   钻石的颜色是衡量其透明度的一个指标。
3. 3. The diaphaneity of the glass window was affected by the temperature changes.
   玻璃窗的透明度受到温度变化的影响。