oppugn
oppugn[əˈpjuːn]verb- [with obj.](archaic)call into question the truth or validity of
(古)对…提出质疑
派生oppugnernoun语源- late Middle English (in the sense 'fight against'): from Latin oppugnare 'attack, besiege', from ob- 'against' + pugnare 'to fight'
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