adj.不能擦除的；不能磨滅的；難忘的

The scandal entailed on the government indelible disgrace. 那件丑聞給政府帶來了難以洗掉的恥辱。

The markings dry instantly and they are indelible. 這些記號很快就會風(fēng)干，很難洗掉。

He has made indelible contributions during the entire course of the revolution. 在整個革命過程中，他樹立了不可磨滅的功績。

The experience made an indelible impression on me. 那次經(jīng)歷使我難以忘懷。