supernumerary [ˌsu:pərˈnu:məreri]

例句:

• When the placeman dies, the supernumerary steps into his shoes.
  假如那小官死了, 那接替他的人就可以接替他的位置.
  
• Pensioning off supernumerary members of lordly houses.
  来自E. Miall
• The supernumerary milkers of the lush green season had been dismissed.
  牧草茁壮肥美的时季里,临时雇的挤奶工,也都下工了.
  
• Results: 62 ambushed supernumerary teeth were all extracted successfully under intravenous anesthesia.
  结果: 62例埋伏多生牙均在静脉麻醉下顺利拔除.
  
• I am doing a degree course in nursing and am...supernumerary when I am in the wards.
  来自Nursing Times
• The mega wing in the back, the ostentatious scoops in the front clip, the supernumerary nostrils cut into the bonnet shut lines?
  来自WSJ