water softener
US /ˈwɑː.tər ˌsɑːf.nər/
UK /ˈwɑː.tər ˌsɑːf.nər/
1.
软水器
a device or substance that removes minerals (such as calcium and magnesium) from hard water, making it soft
:
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We installed a water softener to prevent scale buildup in our pipes.
我们安装了软水器，以防止水管中水垢的堆积。
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A water softener can extend the lifespan of your appliances.
软水器可以延长您家电的使用寿命。