noise deadening foam

例句：

1. 1. The noise-cancelling headphones are designed to block out externalsounds.
   这款降噪耳机设计用来隔绝外界噪音。
2. 2. The soundproofing foam is usedin the construction of high-rise buildingsto reduce noise pollution.
   隔音泡沫被用于高层建筑的建造中，以减少噪音污染。
3. 3. Thefoam was used as a substitutefor traditional carpets in this room, providing excellent noise reduction.
   这种泡沫被用作房间内传统地毯的替代品，提供了极好的隔音效果。