sof·ten·er
noun/ˈsɒfnə(r)/
/ˈsɔːfnər/
- [countable] a device that is used with chemicals to make hard water soft
（硬水）软化器 - a water softener
硬水软化器
- a water softener
- [uncountable, countable] a substance that you add when washing clothes to make them feel soft
（衣物的）柔顺剂