indelible

/ɪnˈdeləb(ə)l/📚 16032雅思
If you say that something leaves an indelible impression, you mean that it is very unlikely to be forgotten. 难忘的

adjective [原级]难忘的,不可磨灭的;擦不掉的,无法去除的

My visit to India in 1986 left an indelible impression on me.
1986年的印度之行给我留下了难忘的印象。

indelible

-ible ⌜ 具有...的 - having the quality of ~ ⌟
in (不) + del ( = delete, 擦掉) + ible (…的) → 去不掉的, 不能拭除的
单词造句:
网友用“Indelible”造句精选
It leaves indelible stains on clothes. 它会在衣物上留下洗不掉的污渍。
The message was written in indelible ink. 这条信息是用不褪色的墨水写的。
It will remain an indelible stain on his memory. 这将成为他记忆中一个不可磨灭的污点。
It will remain an indelible stain in his memory. 这将成为他记忆中一个不可磨灭的污点。