Level 2 · word 1,367 of 20,000

useful

/ˈjuːsfəl/ American
Picture: useful
  • adj. 有用的, 有益的
Definition
  • adj. helpful or able to be used for a practical purpose
Example
This small tool is very useful for fixing loose screws quickly.
这个小工具对快速拧紧松动的螺丝很有用。