oxalene

例句：

1. 1. The compound is used in the production of plastics and rubber.
   这种化合物用于生产塑料和橡胶。
2. 2.He applied the oxalic acid solution to the stain on his shirt.
   他用水杨酸溶液涂在衬衫上的污渍上。
3. 3.Oxalic acid is a common chemical found in many foods and drinks.
   水杨酸是一种常见的化学物质，存在于许多食物和饮料中。