名詞 incrustation:

1. the formation of a crust
   同義詞：encrustation
2. a hard outer layer that covers something
   同義詞：crust, encrustation
3. a decorative coating of contrasting material that is applied to a surface as an inlay or overlay
   同義詞：encrustation

in.crust.a.tion

n.（名詞）

The act of encrusting.
包外殼：用外殼包的行為
The state of being encrusted.
結硬殼：結硬殼的狀況
A material encrusted on a surface.
硬殼表面：表面的硬殼狀物
Biology A coating of hardened exudate or other material on a body or body part; a scale or scab.
【生物學】 痂殼：身上或身體某部分覆蓋著的一層分泌液硬化物或其他物質；鱗或痂