permanent

永久的、永远的、长久的

She finally got permanent residency after living here for seven years.

在这里住了七年后，她终于取得永久居留权。

常设的、固定的、正式的

After two years of contract work, he was offered a permanent position.

做了两年的约聘工作后，公司给了他一个正职。

不可逆的、无法复原的

Staring at the sun can cause permanent damage to your eyes.

直视太阳可能对眼睛造成无法复原的伤害。

烫发美式，旧式

My grandmother went to the salon for a permanent every few months.

我奶奶每隔几个月就会去美容院烫一次头发。