一种内部有许多小气孔的塑料【化】foamed plastic

• 一个中年妇女负责在木瓜外面包上网状泡沫塑料。

  A middle aged woman is responsible for wrapping papayas in a net of foamed plastic.

• 路人好奇去敲打、触摸泡沫塑料的牌坊。

  Out of curiosity, passersby knock and touch the foamed plastic ceremonial arch.