n.

a person serving no apparent function

a minor actor in crowd scenes

同義詞：spear carrierextra

An orthopantomographic study of hypodontia, supernumeraries and other anomalies in school children between the ages of 8-9 years. An...
Midline supernumeraries and eruption of the maxillary central incisor.
Chromosome complement, polyploidy and supernumeraries in Neopodismopsis abdominalis (Acrididae).
Appearance of supernumeraries of the secondary rainbow in rain showers
The development of supernumerary teeth in the mandible in cases with a history of supernumeraries in the pre-maxillary region
Midline supernumeraries: a family affair.
Human supernumeraries: are they B chromosomes?
Late Forming Supernumeraries in the Mandibular Premolar Region
Incidence and Origins of Supernumeraries at Bushtit (Psaltriparus minimus) Nests
The management of premolar supernumeraries in three orthodontic cases.