in·del·i·ble
adjective/ɪnˈdeləbl/
/ɪnˈdeləbl/
- impossible to forget or remove
无法忘记的；不可磨灭的 - The experience made an indelible impression on me.
那次经历使我难以忘怀。 - Her unhappy childhood left an indelible mark.
她不幸的童年留下了不可磨灭的痕迹。
- The experience made an indelible impression on me.
- (of ink, pens, etc.) leaving a mark that cannot be removed
（笔迹）无法消除的，擦不掉的 - an indelible marker
笔迹擦不掉的记号笔
- an indelible marker
Word Originlate 15th cent. (as indeleble): from French, or from Latin indelebilis, from in- ‘not’ + delebilis (from delere ‘remove, delete’). The ending was altered under the influence of -ible.