menton-philtrum

例句：

1. 1. The doctor examined the patient's nose and mouth for any signs of infection.
   医生检查了病人的鼻子和嘴巴，看是否有感染的迹象。
2. 2.The man had a deep wrinkle on his forehead, which is known as a menton-philtrum.
   这个男人额头上有一条深深的皱纹，这被称为鼻唇沟。
3. 3. The baby's tiny fingers were delicately touching each other, creating a menton-philtrum that looked like a small bridge.
   婴儿的小手指轻轻触碰着彼此，形成了一个像小桥一样的鼻唇沟。