roles

n.

作用( role的名词复数 )；地位；角色；

role of……的角色

play an important role起到重要作用

leading role主导作用；主导地位

active role积极任务；活跃角色

play a role发挥作用；扮演一个角色

play a role in在……起作用

play the role扮演角色

play the role of v. 担任…角色

role model n. 行为榜样；角色模特

pivotal role关键作用；要害作用

dominant role主要角色

supporting role n. 配角

social role社会角色

role play角色游戏

role playing扮演角色

dual role双重角色

gender role性别角色

play the leading role 起主要作用， 起带头作用

role conflict角色冲突

sex role性别角色

1. Versatile actors can play all kinds of roles.
   多才多艺的演员能演各种类型的角色。
2. Their roles are paralleled by ours.
   他们的角色与我们的相平行。

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...