Definition: improved by many small changes Level: C2
团队使用了一种改进的方法来提高准确性。
The team used a ___refined method to improve accuracy.
他高度完善的理论彻底改变了这个领域。
His highly ___refined theories revolutionized the field.
日益精进的技术，例如机器人，已经自动化了许多生产流程。
Ever more ___refined technology, such as robots, has automated many production processes.
