单词	retrofit
释义	retrofitret‧ro‧fit /ˈretrəʊfɪt $ -troʊ-/ verb (past tense and past participle retrofitted, present participle retrofitting) [transitive] Verb Table VERB TABLE retrofit Simple Form Present I, you, we, they retrofit he, she, it retrofits Past I, you, he, she, it, we, they retrofitted Present perfect I, you, we, they have retrofitted he, she, it has retrofitted Past perfect I, you, he, she, it, we, they had retrofitted Future I, you, he, she, it, we, they will retrofit Future perfect I, you, he, she, it, we, they will have retrofitted Continuous Form Present I am retrofitting he, she, it is retrofitting you, we, they are retrofitting Past I, he, she, it was retrofitting you, we, they were retrofitting Present perfect I, you, we, they have been retrofitting he, she, it has been retrofitting Past perfect I, you, he, she, it, we, they had been retrofitting Future I, you, he, she, it, we, they will be retrofitting Future perfect I, you, he, she, it, we, they will have been retrofitting Examples EXAMPLES FROM THE CORPUS Some manufacturers are already offering to retrofit old models with catalytic converters. The latest build is air-conditioned, and following the final deliveries Adtranz is to retrofit the earlier cars with full air-conditioning. to improve a machine, piece of equipment, building etc by putting new and better parts in it after it has been used for some time:  plans to retrofit oil boilers—retrofit noun [countable]—retrofitting noun [uncountable]
随便看	coppery coppice Coppola, Francis Ford copse cop shop copter Coptic Coptic Church copula copulate copulation copy copybook copycat copy-edit copy editor copyist copyleft copyright copywriter coq au vin coquetry coquette coquettish coquettishly

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