HSK 6
材质
cáizhì名
texture of timber; quality of material; material (that sth is made of)
这种材质摸起来很柔软。
Zhè zhǒng cái zhì mō qǐ lái hěn róu ruǎn.
This material feels very soft.
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New in the HSK 3.0 word list at level 6.