化合水

例句：

1. 1. The chemistry lab requires a special set of safety glasses.
   化学实验室需要特殊的安全眼镜。
2. 2. The chemistry teacher explained the chemical reactions in detail.
   化学老师详细解释了化学反应。
3. 3. The chemical reaction between hydrogen and oxygen is very fast.
   氢和氧之间的化学反应非常快。