oppugnvt.
英 ə'pjuːn | 美 ə'pjʊn
中文vt. 质疑；反驳；责难；抗击
词根词源
oppugn (v.)mid-15c., from Latin oppugnare "to fight against, attack, assail," from ob- "toward, against" (see ob-) + pugnare "to fight" (see pugnacious). Related: Oppugned; oppugning.
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