n.
the actions and activities assigned to or required or expected of a person or group
"play its role"
同义词：functionofficepart
an actor's portrayal of someone in a play
同义词：charactertheatrical rolepartpersona
what something is used for
同义词：functionpurposeuse
normal or customary activity of a person in a particular social setting
"what is your role on the team?"
Thematic Proto-Roles and Argument Selection
Neurotrophins: roles in neuronal development and function.
Nitric oxide synthases: roles, tolls, and controls
MicroRNAS and their regulatory roles in plants.
Biological roles of oligosaccharides: all of the theories are correct
Differential roles of MDA5 and RIG-I helicases in the recognition of RNA viruses.
Differential roles of TLR2 and TLR4 in recognition of gram-negative and gram-positive bacterial cell wall components
Cancer immunoediting: integrating immunity's roles in cancer suppression and promotion.
An Abundant Class of Tiny RNAs with Probable Regulatory Roles in Caenorhabditis elegans
Physicians' roles in preventing dental caries in preschool children: a summary of the evidence for the U.S. Preventive Services Task...
