资料来源 : pyDict

反对,相反反对地,相反地

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Contra \Con"tra\
   A Latin adverb and preposition, signifying against, contrary,
   in opposition, etc., entering as a prefix into the
   composition of many English words. Cf. {Counter}, adv. &
   pref.