0 the position or purpose that someone or something has in a situation, organization, society, or relationship -- 地位;职责;作用;任务
What is his role in this project? 他在这个工程中负责什么?
Six people have been put on trial for their role (= involvement) in the anti-government demonstrations. 6人因为参与反政府示威游行而受审。
The role of the police is to ensure (that) the law is obeyed.
Television has an important role to play in popularizing new scientific ideas.
The government should be playing a more prominent role in promoting human rights.
The kidney plays a vital role in the removal of waste products from the blood.
She's done all the important Shakespearean roles apart from Lady Macbeth.
Marlene Dietrich was immortalized through her roles in movies like 'The Blue Angel'.