dissolver

This industrial cleaner contains a powerful dissolver that quickly breaks down oil.

用法提示：这里 dissolver 是可数名词单数，指具有溶解作用的液体。

Water is often called a universal dissolver because it dissolves so many substances.

用法提示：dissolver 作单数名词，与 a universal 搭配，表示一种溶剂。

The chemist chose a gentle dissolver to separate the mixture without damaging the sample.

用法提示：dissolver 在此句中作宾语，指一种液体溶剂。