详细解释:n. 发际线, 细缝, 细微的区别
【机】 细标线
英语解释：
名词 hairline:
a very thin linethe natural margin formed by hair on the head详细解释：
hair.line
n.（名词）The outline of the growth of hair on the head, especially across the front.发际线：头部头发生长的外型，尤其是前额头发的轮廓A very slender line.细长的线：一根非常纤细的线Printing 【印刷术】 A very fine line on a typeface.铅字表面的细线A style of type using such lines.使用这种细线的铅字
A textile design having thin, threadlike stripes.有细直条纹的织物图案A fabric, usually a worsted, with such stripes.有这种条纹的织物，通常是精纺呢