1·The line should be continuously straight all around the head, behind the ears, at the hairline and on sideburns.
这条线应该是环绕脑袋的一条直线，包括耳后、发际线和鬓角部位。
2·A manufacturing defect means the hair produced is so small it appears invisible to the naked eye, giving the classic bald spot or receding hairline.
由于新头发存在缺陷，所以变得极其细小，以至于我们肉眼无法看到，这便形成了头上光秃的区域和后退的发际线。
3·I wanted a better hairline and so did I chose to go for a FUE treatment.
我想要一个更好的发际线，所以我才选择去做FUE植发治疗。
4·It takes into account factors including the thickness of the lips, nose length and width, and hairline.
其需要的因素包括嘴唇的厚度，鼻子的长度和宽度，以及发际线。
5·Eyeshadow close to the natural shade of your hair applied to the hairline can make your hair look thicker.
接近发际线阴影的部分涂上眼影可以使头发看起来更厚。