fingermark
英 [ˈfɪŋɡəmɑːk]
美 [ˈfɪŋɡərmɑːrk]
n. 指痕; 指迹
复数：fingermarks
牛津词典
noun
- 指痕；指迹
a mark made by a finger, for example on a clean surface
柯林斯词典
- (脏的)指迹，指痕
Afingermarkis a mark which is made when someone puts a dirty or oily finger onto a clean surface.
英英释义
noun
- a smudge made by a (dirty) finger