/ˈsəʊpbɒks ||; ˈsopˌbɑks/noun [C] a small temporary platform that sb stands on to make a speech in a public place, usually outdoors ﹙多指户外的﹚临时演讲台
get/be on your soapbox (
informal 非正式) to express the strong opinions that you have about a particular subject 发表激烈的意见:
She's on her soapbox about animal rights again!她又在发表有关保护动物权益的激烈演讲了!