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.

以苯胺染料为基础配制而成的各种染料，用肪和着色，以染皮肤（例：表皮）和栓化组织（例：凯氏带）。