ringer

ringer1
noun
  1. (informal)an athlete or horse fraudulently substituted for another in a competition or event
    (非正式)(体育比赛)冒名顶替的运动员(或马)
    ■a person's or thing's double, especially an impostor
    替身,替代物(尤指骗子)
    he's a ringer for the French actor Fernandel.
    他是法国演员费尔南多的替身。
    ■a highly proficient person brought in supplement a team or group
    替补队员
    ■a motor vehicle whose identity has been fraudulently changed by the substitution of a different registration plate
    挂假车牌的汽车
  2. a person who rings something, especially a bell-ringer
    按铃(或摇铃)人;敲钟人
    ■a device for ringing a bell, especially on a telephone
    鸣钟器,电话鸣铃装置

ringer2
noun
  1. (Austral./NZ)a shearer with the highest tally of sheep shorn in a given period
    (澳/新西兰)剪羊毛快手
  2. (Austral.)a stockman, especially one employed in droving
    (澳)(尤指受雇赶牲口的)畜牧工
  3. (Ornithology, Brit.)a person who rings birds for identification purposes
    (鸟 英)给鸟系腿环的人
英语宝典
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