印痕

例句：

1. 1. The footprints left on the sand are evidence of someone's presence.
   在沙滩上留下的脚印是某人存在的证据。
2. 2. The painting is a testament to the artist's skill and creativity.
   这幅画是艺术家技艺和创造力的见证。
3. 3. The scar on her face is a reminder of a painful experience.
   她脸上的疤痕是一段痛苦经历的提醒。