单词	crackle
释义	cracklecrackle /ˈkrækəl/ verb [intransitive] Etymology ETYMOLOGYcrackle Origin: 1500-1600 crack Verb Table VERB TABLE crackle Simple Form Present it crackles Present crackle Past it, they crackled Present perfect they have crackled it has crackled Past perfect it, they had crackled Future it, they will crackle Future perfect it, they will have crackled Continuous Form Present they are crackling it is crackling Past they were crackling it was crackling Present perfect they have been crackling it has been crackling Past perfect it, they had been crackling Future it, they will be crackling Future perfect it, they will have been crackling to make a repeated short sharp sound like something burning in a fire:  The fire crackled in the fireplace. A voice crackled over the intercom.—crackle noun [singular]
随便看	fly-by-night flyer fly fishing flying flying buttress flying fish flying fox flying saucer fly leaf flyover flypaper flyspeck flyswatter flyweight flywheel FM foal foam foam rubber foamy fob fob watch focaccia focal length focal point

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