supernumerary

n.

定额以外的人，临时雇工；

复数：supernumeraries

1. 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。
2. Intravenous anesthesia is good for extraction of embedded supernumerary teeth in children.
   静脉麻醉可以使手术平稳实施,有利于儿童埋伏多生牙的拔除。

1. 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。

Supernumerary teeth--an overview of classification, diagnosis and management.
Anterior supernumerary teeth--assessment and surgical intervention in children.
Small supernumerary marker chromosomes--progress towards a genotype-phenotype correlation.
Small supernumerary marker chromosomes (SMCs): genotype-phenotype correlation and classification
Structure of the supernumerary ring and giant rod chromosomes in adipose tissue tumors.
Small supernumerary marker chromosomes (sSMC) in humans; are there B chromosomes hidden among them
Cryopreservation of supernumerary multicellular human embryos obtained after intracytoplasmic sperm injection.
The genome of Nectria haematococca: contribution of supernumerary chromosomes to gene expansion.
Overexpression of an Arabidopsis formin stimulates supernumerary actin cable formation from pollen tube cell membrane.
DNA probe localization at 18p113 band by in situ hybridization and identification of a small supernumerary chromosome