单词	coil
释义	verb | noun coilcoil1 /kɔɪl/ ●○○ verb [intransitive, transitive] Etymology ETYMOLOGYcoil1 Origin: 1500-1600 Old French coillir to gather Verb Table VERB TABLE coil Simple Form Present I, you, we, they coil he, she, it coils Past I, you, he, she, it, we, they coiled Present perfect I, you, we, they have coiled he, she, it has coiled Past perfect I, you, he, she, it, we, they had coiled Future I, you, he, she, it, we, they will coil Future perfect I, you, he, she, it, we, they will have coiled Continuous Form Present I am coiling he, she, it is coiling you, we, they are coiling Past I, he, she, it was coiling you, we, they were coiling Present perfect I, you, we, they have been coiling he, she, it has been coiling Past perfect I, you, he, she, it, we, they had been coiling Future I, you, he, she, it, we, they will be coiling Future perfect I, you, he, she, it, we, they will have been coiling (also coil up) to wind or twist into a round shape, or to wind or twist something in this way:  The 12-foot python was found coiled in a corner of the room. Coil the rope tightly around the bar. [Origin: 1500–1600 Old French coillir to gather]—coiled adjective verb | noun coilcoil2 noun [countable] 1 a continuous series of circular rings into which something such as wire or rope has been wound or twisted: coil of high walls topped with coils of barbed wire2science, physics a wire or a metal tube in a continuous circular shape that produces light or heat when electricity is passed through it:  a heating coil3technical the part of a car engine that sends electricity to the spark plugs
随便看	unctuous uncurl uncut undated undaunted undecided undecidedly undeclared undefined undemonstrative undeniable undeniably under- under underachieve underachievement underachiever underage underarm underbelly underbrush undercapitalize undercapitalized undercarriage undercharge

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