extraadj.额外的n.额外之物;临时演员adv.特别地
extortv.勒索;敲诈;强要
extortionern.勒索者;敲诈者
extortionateadj.敲诈的;勒索的;过高的
extortionaryadj.勒索的;硬要的;敲诈性的
extortionistn.强求者;勒索者;[律]勒索钱财
extortion crime敲诈勒索罪
extortionate price高昂的价格
extortionate credit高利贷勒索
"the extortion by dishonest officials of fees for performing their sworn duty"