改进
gǎijìnTraditional 改進
improvement; to improve; to make better
Every meaning
gǎijìn
- improvement
- to improve; to make better
In the Library
蔡伦做的事情，是把造纸的方法改进了：用的东西更便宜，做出来的纸更好用，而且可以大量生产。
纸是蔡伦发明的吗？ · Who invented paper? Cai Lun and the older paper · HSK 5
Its characters
Words with 改
Words with 进
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).