philtrum
US /ˈfɪltrəm/
UK /ˈfɪltrəm/

1.
人中, 唇沟
the vertical groove between the base of the nose and the border of the upper lip
:
•
The doctor examined the baby's philtrum for any abnormalities.
医生检查了婴儿的人中是否有异常。
•
She had a distinct philtrum that added character to her face.
她有一个独特的人中,为她的脸增添了特色。