first-classBrE/ˌfɜːst ˈklɑːs/NAmE/ˌfɜːrst ˈklæs/adjective[usually before noun]inthebestgroup; ofthehigheststandard第一流的;一级的;一等的;最优的SYNexcellent◆afirst-classnovel最佳小说◆afirst-classwriter一流作家◆Thecarwasinfirst-classcondition. 当时车子处于最佳状态。◆Iknowaplacewherethefoodisfirst-class. 我知道有一个品尝一流美食的地方。[only before noun]connectedwiththebestandmostexpensivewayoftravellingonatrain, planeorship(座位、车厢、舱位)头等的◆first-classrailtravel乘头等车厢旅行◆afirst-classcabin/seat/ticket头等舱/座位/票[only before noun](inBritain) connectedwithletters, packages, etc. thataredeliveredmostquickly, orthatcostmoretosend第一类的(英国邮件等级,投递最快)◆first-classmail/post/postage/stamps第一类邮件/邮资/邮票[only before noun]usedtodescribeauniversitydegreeofthehighestclassfromaBritishuniversity一级优等的(英国大学学位)◆Shewasawardedafirst-classdegreeinEnglish. 她获得一级优等英语学位。