foam filling

• 泡棉

foam filling的用法和样例：

例句

1. The landed larvae used the foam crumbs to build cocoons and pupated on the channels, or made covers and pupated within the punched holes.
   离水登陆之幼虫会利用泡棉屑制成茧而在沟槽上化蛹，或制成圆穴之顶盖在穴中化蛹。