driftage是什么意思？

driftage的音标：driftage的英式发音音标为：['drɪftɪdʒ]driftage的美式发音音标为：['drɪftɪdʒ]...

Come on with your good fiend, and participate in forestry centre driftage.来吧,带上您的亲朋好友, 参加林区漂流.You are going to continue your driftage after the entertainment by our protectors.游乐逗留结束,可在护漂员护理下继续漂流....