hair·line
noun/ˈheəlaɪn/
/ˈherlaɪn/
- the edge of a person’s hair, especially at the front
enlarge image（尤指前额的）发际线 - a receding hairline
后移的发际线
- a receding hairline
- (often used as an adjective) a very thin break or line
很细的裂纹；极细的线 - a hairline crack/fracture
细小的裂纹／裂缝
- a hairline crack/fracture