exploring oppugn探究性质疑
critical oppugn批判性质疑
period oppugn invader抗战时期
the oppugn procedure质疑程序
Oppugn Basic Question of Philosophy哲学基本问题质疑
Put a question and oppugn提问与质疑
同义词：questioncall into question
V（动词） to call into question; dispute 对......产生异议; 争论