permanence
/ˈpɜːmənəns/noun
mass noun
- the state or quality of lasting or remaining unchanged indefinitely永久（性）, 持久（性）：
the clarity and permanence of the dyes.
染料的清晰度和耐久性。
派生词
permanency
noun词源
late Middle English: from medieval Latin permanentia (perhaps via French), from permanent- 'remaining to the end', from the verb permanere.