prevent

v.预防，防止

pretentious, pretentiousness, preterite (US preterit), preternatural, preternaturally, pretext, prettify, prettily, prettiness, pretty, pretty-pretty, pretzel, prevail, prevail over, prevailing, prevalence, prevalent, prevaricate, prevarication, prevaricator, prevent...from, prevent...from..., preventable, prevention, preventive, preventive (also preventative), preventive detention, preview, previous, previously, prey, prey on, price, price control, price war, price-fixing, price-list, price-tag, priceless, pricey (also pricy),