cuticles

The reform has hardly made a scratch upon the cuticle of affairs.

改革几乎还没有触到事物的表皮。

Sudan stains Any of various stains based on aniline dyes, and used to color fats and waxes, and hence cutinized (e.g. cuticle ) and suberized (e.g.Casparian strip) tissues.See staining.

以苯胺染料配制而成的各种染料，用于使脂肪和着色，因此可以染皮肤（：表皮）和栓化（：凯氏带）。