wire wool

1. （常用来清洁木质及金属物质的）钢丝球；钢丝绒
   Wire wool consists of very thin pieces of wire twisted together, often in the form of small pads. These are used to clean wooden and metal objects.

in AM, use 美国英语用 steel wool

1. Rock wool felt, rock wool carpets sewing, steel wire nets rock wool blanket.
   岩棉毡，岩棉缝毡、钢丝网岩棉毡。
2. Use sand cloth or steel wire brush to clean both tube and cup to a bright metal. Steel wool is not recommended.
   采用砂布或钢丝刷清除管道和端口，使其显露出光洁的金属色。不建议采用钢丝棉。

noun

1. a mass of woven steel fibers used as an abrasive

   Synonym:    steel wool