indelible

柯林斯詞典

1. ADJ If you say that something leaves an indelible impression, you mean that it is very unlikely to be forgotten. 難忘的[usu ADJ n]
My visit to India in 1986 left an indelible impression on me. 1986年的印度之行給我留下了難忘的印象。
2. indeliblyADV [ADV with v]
The horrors he experienced are imprinted, perhaps indelibly, in his brain. 他經(jīng)歷的恐怖事件在他腦海中刻下了深深的，也許是難以磨滅的印記。
3. ADJ Indelible ink or an indelible stain cannot be removed or washed out. (污漬)洗不掉的[usu ADJ n]
It leaves indelible stains on clothes. 它會(huì)在衣物上留下洗不掉的污漬。
The message was written in indelible ink. 這條信息是用不褪色的墨水寫(xiě)的。