资料来源 : pyDict

沙漏

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

Sandglass \Sand"glass`\, n.
   An instrument for measuring time by the running of sand. See
   {Hourglass}.

资料来源 : WordNet®

sandglass
     n : timepiece in which the passage of time is indicated by the
         flow of sand from one transparent container to another
         through a narrow passage