fraternity
fraternity/frəˈtə:niti/n.［u］&［c］兄弟关系，互爱；互助会：fraternity between our two peoples我们两国人民之间的兄弟友谊；professional fraternity专业联谊会
fraud
fraud/frɔ:d/n.1.［c］&［u］欺诈，诈骗: be guilty of fraud犯诈骗罪；expose a fraud揭穿骗局2.［c］欺骗(行为)，骗人的东西: This woollen dress is a fraud because it’s too small t···
fraught
fraught/frɔ:t/adj.装着...的；充满...的；隐藏...的；伴随着...的(with)：a policy fraught with danger充满危险的政策Expedition through the jungle was fraught with difficulty and dange···
free/freely
free/fri:/ I.adj.1.自由的，无拘束的：The people in this country are free.这个国家的人民是自由的。2.有时间的，空闲的：He’ll be free tonight.今晚他没事。3.免费的，免税的：You don’t···
freedom/freelance/freeway
freedom/ˈfri:dəm/n.［u］&［c］自由，自主；特权：freedom of speech and freedom of thought言论和思想自由；have the freedom to do what we want有想干就干的自由freelance/ˈfri:lə···
freeze/freezing
freeze/fri:z/ (froze /frəuz/, frozen /frəuzn/)vi.&vt.1. (使)结冰，(使)凝固；(使)平静：Fresh water freezes at 0℃.淡水在零摄氏度结冰。The lake was frozen over.湖面封冻。The te···
freight
freight/freit/n.［u］1.货运：This aircraft company deals with freight only; it has no travel service.这家航空公司只管货运，不提供旅游服务。2.货物：carry many tons of freight运送许多···
frenzy
frenzy/ˈfrenzi/n.［c］狂暴，狂怒（通常用sing.）：drive sb. to frenzy使某人发狂；in the frenzy of the moment在一时狂怒中In a frenzy of hate he killed his enemy.他在一阵痛恨之下杀死···
frequency/frequent/frequently
frequency/ˈfri:kwənsi/n.［c］1.频繁，频度: adverbs of frequency频度副词The frequency of accidents on that road gives the doctors a lot of work.那条路上频繁的交通事故增加了大夫的工···
