propagation

n.宣传；传播

pronominal, pronominally, pronoun, pronounce, pronounceable, pronounced, pronouncedly, pronouncement, pronto, pronunciation, proof, proof spirit, proof-read, prop, prop-jet, prop-word, propaganda, propagandist, propagandize, propagandise, propagate, propagator, propane, propel, propellant (also propellent), propellent, propeller, propelling pencil, propensity, proper, proper fraction, proper name (also `proper noun), properly, propertied, property, prophecy, prophesy, prophet, prophetic, prophetically, prophylactic,