甲荃

例句：

1. 1. The room smelled musty because the carpet was soaked with formaldehyde.
   房间闻起来很潮湿，因为地毯被甲醛浸湿了。
2. 2.The chemical is used to preserve wood andother materials.
   这种化学物质用于保存木材和其他材料。
3. 3.The fumes from the factory were causinghealth problems for nearby residents.
   工厂的废气导致附近居民健康问题。