单词	excavation
释义	excavateexcavate /ˈɛkskəˌveɪt/ ●○○ verb [intransitive, transitive] Etymology ETYMOLOGYexcavate Origin: 1500-1600 Latin, past participle of excavare, from cavus hollow Verb Table VERB TABLE excavate Simple Form Present I, you, we, they excavate he, she, it excavates Past I, you, he, she, it, we, they excavated Present perfect I, you, we, they have excavated he, she, it has excavated Past perfect I, you, he, she, it, we, they had excavated Future I, you, he, she, it, we, they will excavate Future perfect I, you, he, she, it, we, they will have excavated Continuous Form Present I am excavating he, she, it is excavating you, we, they are excavating Past I, he, she, it was excavating you, we, they were excavating Present perfect I, you, we, they have been excavating he, she, it has been excavating Past perfect I, you, he, she, it, we, they had been excavating Future I, you, he, she, it, we, they will be excavating Future perfect I, you, he, she, it, we, they will have been excavating 1 if a scientist or archaeologist excavates an area of land, they dig carefully to find ancient objects, bones, etc.:  Work is under way to excavate the ancient city.2to dig a large hole, tunnel, etc. in the ground [Origin: 1500–1600 Latin, past participle of excavare, from cavus hollow]—excavation /ˌɛkskəˈveɪʃən/ noun [countable, uncountable]
随便看	immerse immersed immersion immigrant immigrate immigration Immigration and Naturalization Service, the Immigration Reform and Control Act, the imminence imminent imminently immiscible immobile immobility immobilization immobilize immoderate immodest immodestly immodesty immolate immolation immoral immorality immorally

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