polemic

n. 争论，论战

poker-work, pokiness, poky, Poland, polar, polar bear, Polaris, polarity, polarization, polarisation, polarize, polarize, polarise, Polaroid, Polaroid camera, Pole, pole-axe, pole-star, pole-vault, pole-vaulter, pole-vaulting, polecat, polemical, polemically, polemicist, police, police constable (abbr 缩写 PC), police dog, police force, police state, police station, police-officer (also officer), policeman, policewoman, policy, polio, Polish, polished, polisher, politburo, polite, politely,