debate upon

So, in a high-stakes, nationally televised debate, Obama might be called upon to defend his pastor and church, or abjure his faith.

因此在一个风险很大的赌注，全国电视直播的辩论，奥巴马也许被要求去为他的牧师和教会辩护，要不就放弃他的信念。

Sea-lion is a person who intrudes1 upon an online conversation in an attempt to engage opponents in debate, particularly by using a tone of feigned2 civility.

“海狮”是那种在网络聊天中突然闯入，用一种故作礼貌的语调来介入谈话，目的是让意见相左的人吵起来。

Surgical upon recent anatomic studies of the periprostatic neuroanatomy continue to spur both advances and debate.

手术径路给予最近前列腺周神经解剖学的解剖研究,研究会在将来有所进展并引起相关讨论.