soap·box /-ˌbɑks/
  肥皂盒,臨時演說台(a.)街頭演說的
  soapbox
       n 1: a crate for packing soap
       2: a platform raised above the surrounding level to give
          prominence to the person on it [syn: dais, podium, pulpit,
           rostrum, ambo, stump]