Level 6 · word 19,109 of 20,000

perpetuity

/ˌpɜːrpəˈtuːɪti/ American
  • n. 永久, 永恒
Definition
  • n. the state of lasting forever or for an indefinite time
Example
The land was granted to the family in perpetuity by the king.
国王把这片土地永久赐予了这个家族。