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。
an indelible marker
笔迹擦不掉的记号笔
1.不能消除的,擦不掉的;持久的
1.permanent
2.making a mark that is impossible to remove
1.Always like wandering in the crowd I don't like to speak, as if the heart has an indelible scar.
总喜欢在人群中徘徊的我却总不喜欢说话，仿佛心中有着抹不去的伤痕。
2.It is one of those thankfully rare decisions that leave an indelible mark for ever on your face for everybody to see.
但这种一生少有的抉择，已在你脸上留下永不褪色的印记。
3.Tattoos can also be permanent makeup, an indelible cosmetic that improves the appearance of one's eyes and lips.
纹身是永久的，擦不掉的化妆品，能改善人的眼睛和嘴唇容貌。
4.Not easy to see: you should leave an indelible mark on observation is non-obvious, marks or to hoi to reduce the quality of the media.
不易瞥见：印记差查察才不该是不澄辉的，印记也不亥贬矮媒体的质量。
5.For all her privilege and wealth, life had not been easy and the experiences of childhood had left an indelible mark on her mind.
尽管总她享有特权和财富，可是她的生活一直是很不容易，童年的经历在她的脑海中留下了一个抹不去的印记。
6.To be able to record one's own words in indelible ink--was that a slight thing?
能够把自己的话记录在擦不掉的墨迹之中，这还是件小事吗？
7.Russia has cut its way through time like a mighty river through a canyon, leaving an indelible mark on human history as it goes.
俄罗斯已经走过了岁月的征程，正如一条汹涌澎湃的河穿越深深的峡谷，在身后留下了人类历史不可磨灭的印记。
8.The girl met boy, it is life's most of the time, and dim the simple life, of course, the boy appeared to her and left an indelible memory.
女孩遇见男孩的时候，正是是生命中最暗淡的时光，也是一生中最单纯的时候，当然，男孩的出现，给她留下了不可磨灭的记忆。
9."The old woman sighed, " Despite the indelible love, just a bowl of soup will ease it once and for all.
老婆婆叹到：“即使是刻骨铭心的爱情，也不过一碗汤，就轻易间灰飞烟灭了。”
10.I do not agree with your point of view, transgenic technology has given us some benefits, but it also brings an indelible disadvantages.
我不同意你们的观点，转基因技术虽然给我们带来了一些好处，但是同时也带来了不可磨灭的弊端。