名词

1. (手指甲根部的)表皮，护膜
Your cuticles are the skin at the base of each of your fingernails.

1. hard outer covering or case of certain organisms such as arthropods and turtles

Synonym: carapaceshellshield

2. the outer layer of the skin covering the exterior body surface of vertebrates

Synonym: epidermis

3. the dead skin at the base of a fingernail or toenail