soapbox

例句：

1. 1.The artist placed his soapbox on thestage to demonstrate his work.
   艺术家把他的肥皂箱放在舞台上展示他的工作。
2. 2. Thesoapbox was designed to attract attention andpromote awareness about environmental issues.
   这个肥皂箱的设计是为了吸引注意力，提高人们对环境问题的认识。
3. 3. The soapbox was a populartool for public demonstrations during the civilrights movement.
   这个肥皂箱是民权运动期间广受欢迎的示威工具。