ammoniaalum

例句：

1. 1.This chemical reacts with water to form ammonia and hydrogen gas.
   这种化学物质与水反应生成氨和氢气。
2. 2.The ammonia solution is used as a preservative in food storage.
   氨溶液用作食品储存的防腐剂。
3. 3. Ammonia is a key ingredient in the production of fertilizers.
   氨是肥料生产的关键成分。