资料来源 : pyDict

窥视孔

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

Peephole \Peep"hole`\, n.
   A hole, or crevice, through which one may peep without being
   discovered.

资料来源 : WordNet®

peephole
     n : a hole (in a door or an oven etc) through which you can peep
         [syn: {spyhole}]