plung·er
noun/ˈplʌndʒə(r)/
/ˈplʌndʒər/
- a part of a piece of equipment that can be pushed down
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柱塞;活塞 - a piece of equipment used for clearing kitchen and bathroom pipes, that consists of a rubber cup fixed to a handle
Topics Houses and homesc2(疏通管道用的)搋子