福尔马林

例句：

1. 1.This chemical is used as a preservative in the production of wood pulp.
   这种化学物质在生产木浆时用作防腐剂。
2. 2.The museum exhibits a collection of ancientpottery that has been preserved withformaldehyde.
   博物馆展出了一批用甲醛保存的古代陶器收藏品。
3. 3. Formaldehydeis highly toxic and can cause serious healthproblems if inhaled or absorbed throughthe skin.
   甲醛高度有毒，吸入或通过皮肤吸收都可能导致严重的健康问题。