urea-formaldehyde

例句：

1. 1. This formaldehyde-based adhesive is widely used in the construction industry.
   这种基于甲醛的粘合剂在建筑业中广泛使用。
2. 2. The manufacturer claims that their product has no harmful effects on human health.
   制造商声称他们的产品对人类健康无害。
3. 3. Due to its strong bonding properties, this material is often used in industrial applications.
   由于其强粘合性质，这种材料常用于工业应用。