Level 5 · word 6,038 of 20,000

integral

/ˈɪntəɡrəl/ American
  • adj. 不可或缺的, 固有的
  • n. 整数, 积分
Definition
  • adj. being an essential part of something whole
  • n. a whole number, or a quantity found by integration in mathematics
Example
Regular exercise is integral to staying healthy as you get older.
随着年龄增长,规律运动对保持健康至关重要。