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

Tank ship \Tank ship\, Tank vessel \Tank vessel\ . (Naut.)
   A vessel fitted with tanks for the carrying of oil or other
   liquid in bulk.

资料来源 : WordNet®

tank ship
     n : a cargo ship designed to carry crude oil in bulk [syn: {oil
         tanker}, {oiler}, {tanker}]