硬质

sān míng zhì hái shi yào fàng zài yìng zhì róng qì li xié dài

三明治还是要放在硬质容器里携带。

Carry sandwiches in a rigid container.

zhè ge xié dǐ shì yóu yìng zhì pí gé zhì chéng

这个鞋底是由硬质皮革制成。

The sole of the shoe is made of hard leather.