Seed for cellular foam: Shoe material, packing padding etc...

发泡助剂：鞋材、包装垫材等。

youdao

In the shoe material area, the most popular ones are EVA foam material and PVC material. The Turkey purchasing group is asking about the prices and material with exhibitors.

在鞋材展区，最受欢迎的依然是EVA发泡材料、PVC材料。来自土耳其的采购团正在饶有兴趣地向参展商询问价格，材质等问题。

youdao

The material choice is simple: the shoe is a laminate with Carbon fibre for the core which gives the shoe its spring and strength, leather on the foot side and rubber on the walking wearing side.

这种材料的选择很简单：鞋材以一层碳纤维为主，碳纤维能提供鞋子必须的支撑强度，也很有弹性，接触脚的一面贴着皮革，鞋底的一面贴着橡胶。

youdao

Once the boot forms dried, he added clay details to the shoes to represent leather shoe material.

VOA: special.2009.09.09

They did this by putting pieces of silicon or one of a number of other solid materials inside a shoe-box-sized cavity and zapping the material with microwaves from a metal tip.

ECONOMIST: Ball lightning