词汇“pony express”的中英文读音、翻译、用法及例句

词汇	pony express
释义	pony express 主要翻译 pony express n historical (mail system)驿马快信的制度
随便看	fixed number test plan fixednesses fixed priority fixed-point notation fixed fuel tank fixed dune fixed duty fixed in the earth coordinate system fixed object fixed point index fixed horizontal beam facility fixed-product area fixed liquid phage fixed function generator fixed liquid fixed objects fixed interval (fi) schedule fixed functions fixed function fixed intonations fixed liquid phase fixed horizontal beam fixed fund fixed probability vector fixed objective