Level 5 · word 10,668 of 20,000

supplementary

/ˌsʌpləˈmentəri/ American
  • adj. 补充的, 追加的
Definition
  • adj. added to something else to complete or improve it
Example
The teacher handed out supplementary notes to help us understand the lesson.
老师发了补充讲义,帮助我们理解这节课。