资料来源 : pyDict

底部尽量张开的,底宽的,装载量多的

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

Full-bottomed \Full"-bot"tomed\, a.
   1. Full and large at the bottom, as wigs worn by certain
      civil officers in Great Britain.

   2. (Naut.) Of great capacity below the water line.