Level 6 · word 13,431 of 20,000

supplemental

/ˌsʌpləˈmentəl/ American
  • adj. 补充的, 追加的
Definition
  • adj. added to something else to complete or improve it
Example
She takes supplemental vitamins because her diet lacks iron.
她因为饮食中缺铁而在服用补充维生素。