reformer

language: zh

definitions

  1. noun
    a person who seeks to improve or change something, especially a social system
    zh: 改革者
  2. noun
    a person who makes changes to a machine or system to make it work better
    zh: 改进者

examples

  1. He was a social reformer.

    他是社会改革者。

  2. The engineer was a tireless reformer.

    这位工程师不知疲倦地改进。