資料來源 : pyDict

救生艇;救生船

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Lifeboat \Life"boat`\ (-b[=o]t`), n.
   A strong, buoyant boat especially designed for saving the
   lives of shipwrecked people.

資料來源 : WordNet®

lifeboat
     n : a strong sea boat designed to rescue people from a sinking
         ship