資料來源 : pyDict

臨時填補空缺的人,臨時填補物臨時填補性的

資料來源 : WordNet®

fill-in
     n : someone who takes the place of another (as when things get
         dangerous or difficult); "the star had a stand-in for
         dangerous scenes"; "we need extra employees for summer
         fill-ins" [syn: {stand-in}, {substitute}, {relief}, {reliever},
          {backup}, {backup man}]