资料来源 : pyDict

龟甲,龟甲甲板

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

Turtleback \Tur"tle*back`\, n.
   1. (Arch[ae]ol.) A rude stone celt of a form suggesting the
      back of a turtle.

   2. (Naut.) A convex deck at the bow or stern of a vessel, so
      made to shed the seas quickly.