她擦手后，裤子上留下了一个脏污的痕迹。

A dirty ___mark was left on her trousers after she wiped her hands.

他的手指在桌子光亮表面上留下了一个明显的印记。

His finger left a visible ___mark on the polished table surface.

她手臂上有一个因烧伤留下的红色痕迹。

She had a red ___mark on her arm from the burn.