palimpsest

这座城市的历史就像层层叠加的羊皮纸，记录着不同时代的印记。

The city's history is a ___palimpsest, revealing traces of different eras.

考古学家在清理古代羊皮纸时发现了一个文字被擦除后又重新书写的重写本。

The archaeologists found a ___palimpsest where the original text had been scraped off and rewritten.

这幅油画是多层覆盖的作品，底层仍能看到艺术家最初的草图。

This oil painting is a ___palimpsest, with the artist's original sketches still visible beneath the layers.