ineffaceable

音标发音

Reagan's government took ineffaceable credit for itself for the ten-year economic prosperity in 1990's.
美國90年代長達十年的經濟繁榮，雷根政府打下的基礎可以說是功不可沒。
As a marshal of the PLA, Luo Ronghuan made an ineffaceable contribution to the theory and practice in our army's cadre work during his military car eer of36 years.
羅榮桓元帥在三十六年的軍事生涯中，從事了大量的軍隊乾部工作，對我軍乾部工作的理論與實踐，作出了不可磨滅的貢獻。
Conversely, we can also say that the development of society and culture has left ineffaceable marks on the human body.
反過來說，社會和文化的發展都在人的身躰上畱下了不可磨滅的烙印。