资料来源 : pyDict

炮舰,炮艇

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

Gunboat \Gun"boat`\, n. (Nav.)
   A vessel of light draught, carrying one or more guns.

资料来源 : WordNet®

gunboat
     n : a small shallow-draft boat carrying mounted guns; used by
         costal patrols