他们学习新的角色，试图忘记旧的。

They learn new roles and unlearn old ones.

《柯林斯英汉双解大词典》

但最先进的开发工具是“可教的代理”——一个计算机化的会学习、尝试、犯错和提问的角色，就像一个真实世界的学生。

But the most cutting-edge tool under development is the "teachable agent"— a computerized character who learns, tries, makes mistakes and asks questions just like a real-world pupil.

youdao

四年后，他开始学习表演中国经典故事《西游记》中的传统角色美猴王。

Four years later, he began to learn to perform the Monkey King, a traditional character from the Chinese classic story Journey to the West.

youdao

How could such figures possibly serve ? as good role models for citizens of a just city?

这类的角色能做好模范,供正义之城的公民学习吗？

耶鲁公开课 - 政治哲学导论课程节选