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| facet | 
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| n. Syn. side ((宝石的)琢面,方面) small, smooth, flat surface, as on a bone or tooth; side; a smooth surface | 
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| facilitate | 
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| v. Syn. promote; expedite (促进,帮助,使变容易) help bring about; make less difficult | 
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| faculty | 
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| n. Syn. ability (才能,教职员组织) inherent power or ability; body of persons with specific professional powers | 
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| fade | 
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| v. Syn. disappear; die out (减弱下去,褪色,消失,枯萎) disappear; die out; lose color; lose freshness | 
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| falter | 
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| v. Syn. hesitate (犹豫,踌躇) be unsteady in purpose or action, as from loss of courage or confidence | 
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| fanatic | 
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| n.  (狂热的,盲信的) person who is zealously enthusiastic for some cause; showing evidence of possession by a god or demon | 
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| farewell | 
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| n.  (再见,一路平安) acknowledgment at parting; goodbye; act of departing or taking leave | 
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| fascinate | 
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| v. Syn. intrigue; enthrall; captivate (使着迷,使神魂颠倒) cause to be interested or curious; captivate | 
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| fastidious | 
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| a.  (挑剔的,难伺候的) difficult to please; having complicated requirements; excessively particular demanding about details | 
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| fatuous | 
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| a. Syn. foolish (愚蠢的,不可理喻的,不理智的) foolish or silly, especially in self-satisfied way | 
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| feasible | 
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| a. Syn. practical; possible; suitable (可行的) capable of being accomplished or brought about | 
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| feast | 
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| n.  (宴会,筵席,宗教节日) festival or holiday; festive or joyous meal; something highly agreeable; entertainment |