triol

例句：

1. 1.The triol is used in the production of glass.
   三氧化二铝用于玻璃的生产。
2. 2.The triol has a high melting point and can be used as an additive in plastics.
   三氧化二铝具有高熔点，可以作为塑料的添加剂使用。
3. 3.The triol is also known for its ability to improve the strength and durability of metals.
   三氧化二铝也因其增强金属强度和耐用性的能力而闻名。