prosaic

adj. 单调的，无趣的

proportional representation, proportionally, proportionate, proportionately, proportioned, proportions, proposal, propose, proposer, proposition, propound, proprietary, proprietor, proprietorial, proprietorship, propriety, propulsion, propulsive, prorogation, prorogue, prosaically, proscenium, proscenium arch, proscribe, proscription, prose, prosecute, prosecution, prosecutor, proselyte, proselytize, proselytize, proselytise, prosily, prosiness, prosodic, prosody, prospect, prospective, prospector, prospectus,