Level 6 · word 18,909 of 20,000

betterment

/ˈbetərmənt/ American
  • n. 改善, 增值
Definition
  • n. an improvement in something, or a rise in the value of property
Example
She volunteers weekly for the betterment of her community.
她每周做志愿者,为改善社区尽一份力。