maleic resin

例句：

1. 1. Maleic resin is a type of chemical used in the production of plastics.
   马来酸树脂是一种用于生产塑料的化学物质。
2. 2.The resin was extracted from the bark of the tree and used to make furniture.
   这种树脂是从树皮中提取出来的，用来制作家具。
3. 3. The resin has been found to have antibacterial properties, which makes it useful in medical applications.
   这种树脂被发现具有抗菌性质，这使得它在医疗应用中很有用。