positive

a.确实的；肯定的；正的，阳性的

portliness, portly, portmanteau, portmanteau word, portrait, portrait painter, portraitist, portraiture, portray, portrayal, Portsmouth, Portugal, Portuguese, pose, poser, poseur, posh, posit, position, positional, positive pole, positively, positiveness, positivism, positivist, positivistic, positron, posse, possess, possession, possessions, possessive, possessively, possessiveness, possessor, posset, possibility, possible, possibly, possum,