Zhè / pī / pībù / hái / méiyǒu / jīngguò / piǎobái / hé / rǎnsè / yánsè / kàn / qǐlái / hěn / zìrán

这批坯布还没有经过漂白和染色，颜色看起来很自然。

This batch of gray cloth has not yet been bleached or dyed, so its color looks very natural.