资料来源 : pyDict

曲头钉

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

Brad \Brad\, n. [Cf.OE. brod, Dan. braad prick, sting, brodde
   ice spur, frost nail, Sw. brodd frost nail, Icel. broddr any
   pointed piece of iron or stell; akin to AS. brord point,
   spire of grass, and perh. to E. bristle. See {Bristle}, n.]
   A thin nail, usually small, with a slight projection at the
   top on one side instead of a head; also, a small wire nail,
   with a flat circular head; sometimes, a small, tapering,
   square-bodied finishing nail, with a countersunk head.

资料来源 : WordNet®

brad
     n : a small nail

brad
     v : fasten with brads