indelible ink消不去的墨水;不褪色墨水;不灭印油
indelible memory难以磨灭的记忆
If Indelible如果不可磨灭
Indelible Dream难忘的梦
Indelible Acts永远的行动
Indelible designation永不磨灭的番号
indelible impressions不可磨灭的印象
Indelible memories不可磨灭的记忆
ADJ（形容词） If you say that something leaves an indelible impression, you mean that it is very unlikely to be forgotten. 难忘的 [usu ADJ n]
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。
ADV（副词） indelibly [ADV with v]
The horrors he experienced are imprinted, perhaps indelibly, in his brain.
他经历的恐怖事件在他脑海中刻下了深深的，也许是难以磨灭的印记。
ADJ（形容词） Indelible ink or an indelible stain cannot be removed or washed out. (污渍)洗不掉的 [usu ADJ n]
It leaves indelible stains on clothes.
它会在衣物上留下洗不掉的污渍。