n. 薄板, 薄片, 薄层, 叶片

[医] 板, 层, 叶片(植物)

[ noun ]
a thin plate or layer (especially of bone or mineral)
<noun.body>

Lamina \Lam"i*na\ (l[a^]m"[i^]*n[.a]), n.; pl. L. {Lamin[ae]}
(-n[=e]) E. {Laminas} (-n[.a]z). [L. cf. {Lamella}.]
1. A thin plate or scale; a layer or coat lying over another;
-- said of thin plates or platelike substances, as of bone
or minerals.

2. (Bot.) The blade of a leaf; the broad, expanded portion of
a petal or sepal of a flower. --Gray.

3. (Zo["o]l.) A thin plate or scale; specif., one of the
thin, flat processes composing the vane of a feather.