单词	superelevation
释义	superelevation noun su·​per·​el·​e·​va·​tion ˌsü-pər-ˌe-lə-ˈvā-shən  1 : the vertical distance between the heights of inner and outer edges of highway pavement or railroad rails 2 : additional elevation Word History First Known Use 1840, in the meaning defined at sense 1
随便看	past descriptive past due past future past future perfect past historic past it past master purchased purchaseless purchaser purchasers purchases purchasing purchasing agent purchasing department purchasing power purchasing power parity purdah purdahs purdas purdonian purdonion purdonium purdoniums purdy

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