hairline
/ˈherˌlaɪn/
American
- n. 发际线, 细缝
- Definition
- n. the edge of hair at the top of the forehead, or a very thin crack or difference
- Example
- The mechanic found a hairline crack in the old engine block.
- 技工在旧发动机缸体上发现了一道细微的裂纹。