soundproof

1.Our office was soundproofed not long ago.

我们办公室安装了隔音设施。

2.soundproof cork insulation; a layer of trapped air that serves as insulation.

隔音软木材料；用于绝缘密封空气层

3.Makes the soundproofing board, the ceiling, the vase and so on;

制造隔音板、天花板、花瓶等；