单词	arch
释义	noun | verb | adjective archarch1 /ɑrtʃ/ ●●○ noun [countable] Etymology ETYMOLOGYarch1 Origin: 1200-1300 Old French arche, from Latin arcus bow, arch, arc 1 a structure with a curved top and straight sides that supports the weight of a bridge or building2a curved structure above a door, window, etc.3science, biology a curved structure of bones in the middle of your foot4a shape with a curved top and straight sides [Origin: 1200–1300 Old French arche, from Latin arcus bow, arch, arc] noun | verb | adjective archarch2 verb [intransitive, transitive] Verb Table VERB TABLE arch Simple Form Present I, you, we, they arch he, she, it arches Past I, you, he, she, it, we, they arched Present perfect I, you, we, they have arched he, she, it has arched Past perfect I, you, he, she, it, we, they had arched Future I, you, he, she, it, we, they will arch Future perfect I, you, he, she, it, we, they will have arched Continuous Form Present I am arching he, she, it is arching you, we, they are arching Past I, he, she, it was arching you, we, they were arching Present perfect I, you, we, they have been arching he, she, it has been arching Past perfect I, you, he, she, it, we, they had been arching Future I, you, he, she, it, we, they will be arching Future perfect I, you, he, she, it, we, they will have been arching to form or make something form a curved shape:  Two rows of trees arched over the driveway. The dog arched its back and showed its teeth. noun | verb | adjective archarch3 adjective Etymology ETYMOLOGYarch3 Origin: 1500-1600 arch- in such combinations as arch-rogue and arch-villain showing that you are amused because you think you understand something better than other people—archly adverb
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