hydrazine

例句：

1. 1.Hydrazine is a chemical compound that is used in the production of fertilizers and pesticides.
   水合肼是一种化学化合物，用于生产肥料和农药。
2. 2.The hydrazine reacts with water to form ammonia gas.
   水合肼与水反应生成氨气。
3. 3.Hydrazine is also used as an anti-freeze in automobile engines.
   水合肼也用作汽车发动机的防冻剂。