free phenol

例句：

1. 1. The chemical industry uses free phenol as a solvent for cleaning and polishing metal surfaces.
   化学工业使用游离酚作为清洗和抛光金属表面的一种溶剂。
2. 2. Free phenol is a common component of wood preservatives used to protect wooden furniture from decay.
   游离酚是常用的木材防腐剂成分，用于保护木质家具免受腐烂。
3. 3. In the food industry, free phenol is often used as an antioxidant in the production of processed meats and canned foods.
   在食品工业中，游离酚常被用作加工肉类和罐头食品的抗氧化剂。