He is fluent in five languages.
他能流利地说五种语言。
fold n. 折痕, 折页vt.折叠
She folded the letter so that it would fit into her bag.
他把信折起来，以便可以装到袋里。
In the army camp the quilts are usually folded in this manner.外语学习网
在军营中被子通常是这样折叠的。
folk n.人们, 亲属, 父母
adj.民间的
I´d like you to meet my folks.
我要你见见我的父母。
foot-note n.脚步；足迹
forehead n.前额
forfeit n. 罚金,罚款
former adj.从前的, 以前的
n. 前者
The owner of that shop is Mr Brown — the former owner was Mr Johnson.
那家商店的主人是布朗先生，以前的店主是约翰逊先生。
Of swimming and football he much preferred the former.
在游泳和足球中他更喜欢前者。
foundation n.建立;基础;基金会
fraction n.小部分, 片断, 分数
She spends only a fraction of her earnings.
她只花了所赚的钱的一小部分。
1/3 and 5/8 are fractions.
三分之一和八分之五是分数。
franchise n 特许,特权；专卖权,特许权
franchisee n.特许经营人
franchiser n. 给别人经营联营特许权的公司或制造厂
