role (also role)

n 1 actor's part in a play 角色: play a variety of roles 扮演各种的角色 * the title-role 主角. 2 function or importance of sb/sth 作用; 重要性: the key role of the teacher in the learning process 教师在教学中的关键作用 * the declining role of the railways in the transport system 在运输系统中, 铁路的重要性逐渐下降.


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