(noun.) abstaining from food.
(verb.) abstain from eating; 'Before the medical exam, you must fast'.
(verb.) abstain from certain foods, as for religious or medical reasons; 'Catholics sometimes fast during Lent'.
(adj.) (of a photographic lens or emulsion) causing a shortening of exposure time; 'a fast lens' .
(adj.) acting or moving or capable of acting or moving quickly; 'fast film'; 'on the fast track in school'; 'set a fast pace'; 'a fast car' .
(adj.) at a rapid tempo; 'the band played a fast fox trot' .
(adj.) (used of timepieces) indicating a time ahead of or later than the correct time; 'my watch is fast' .
(adj.) securely fixed in place; 'the post was still firm after being hit by the car' .
(adj.) resistant to destruction or fading; 'fast colors' .
(adj.) (of surfaces) conducive to rapid speeds; 'a fast road'; 'grass courts are faster than clay' .
(adv.) quickly or rapidly (often used as a combining form); 'how fast can he get here?'; 'ran as fast as he could'; 'needs medical help fast'; 'fast-running rivers'; 'fast-breaking news'; 'fast-opening (or fast-closing) shutters'.
(adv.) firmly or closely; 'held fast to the rope'; 'her foot was stuck fast'; 'held tight'.
厄玛编辑
卡梅拉整理