资料来源 : pyDict

半透明物质

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Vitrina \Vi*tri"na\, n. [NL., fr. L. vitrum glass.] (Zo["o]l.)
   A genus of terrestrial gastropods, having transparent, very
   thin, and delicate shells, -- whence the name.