资料来源 : pyDict

大脑脚底

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

Crusta \Crus"ta\ (kr?s"t?), n. [L., shell, crust, inlaid work.]
   1. A crust or shell.

   2. A gem engraved, or a plate embossed in low relief, for
      inlaying a vase or other object.