名詞 epidermis:

1. the outer layer of the skin covering the exterior body surface of vertebrates
   同義詞：cuticle

1. Lying below the epidermis.
   皮下的位于真皮以下的
2. That part of the epidermis on his hand is damaged.
   他手上那塊表皮受到損傷。

ep.i.der.mis

n.（名詞）
The outer, protective, nonvascular layer of the skin of vertebrates, covering the dermis.
表皮：脊椎動(dòng)物真皮之外的一層無血管的保護(hù)性皮層
An integument or outer layer of various invertebrates.
表皮皮層：非脊椎動(dòng)物最外層的皮層
The outermost layer of cells covering the leaves and young parts of a plant.
外胚層：覆蓋于植物葉面和萌芽之上的最外一層細(xì)胞

來源：
Late Latin
后期拉丁語
from Greek
源自 希臘語
epi- [epi-]
epi- [前綴，表.在…之上.]
derma [skin] * see der-
derma [皮膚] *參見 der-

【引伸】
ep.ider.mal