argumentative

a.爱争论的，好辩论的

ardently, ardor, ardour (US ardor), arduous, arduously, are, area, area code (US) dialling code, areca, areca nut (also betel-nut), aren't, arena, arete, argon, argot, arguable, arguably, argue, argument, argumentation, argumentatively, argy-bargy, aria, arid, aridity, aridly, aridness, Aries, aright, arise, arisen, aristocracy, aristocrat, aristocratic, aristocratically, Aristotelian, Aristotle, arithmetic, arithmetical, arithmetically,