vt.为…而斗争，捍卫，声援（champion的现在分词形式）...

championing的音标：...

And he must go further , by championing three principles.如果该条款不被撤出,奥巴马先生应该否决整个法案.Today he is most remembered of championing the idea.今天,人们对他倡导的思想记忆犹新....