(超出规定数量或范围的) extra; additional; added 短语和例子做额外工作 do extra work; 旅馆每个房间都有电视机作为额外优待。 television is available in each of the hotel rooms as an extra额外带: extra band额外的: additional; extra a. beyond what is usual or necessary; extras; odd; supererogatory; superfluous; supernumerary; superunmerary; x,x. extra额外墩: odd trick额外根: extraneous root; supernumerary root额外功: extra wok下载手机词典可随时随地查词查翻译