Then lie down on a flat surface and place a cool, damp cloth over your forehead.

然后平躺在阴凉处，在前额上放置凉毛巾。

youdao

His head is unusually long and flat, with a very low forehead.

他的头部是不同寻常的长时间持平，非常低的额头。

youdao

My forehead hit something that gave me a violent bump and I felt blood on my face but I crawled on in and lay flat.

我的前额碰上一件东西，狠狠地一撞，我觉得脸上出血了，但是我还是爬进去，笔直地躺着。

youdao

There was something different about the face of this man, a big forehead, gray hair, a flat nose, a few missing teeth, and small desperate eyes.

FORBES: Santa Arrived Too Late

At the scene a man with a big forehead, gray hair, a flat nose, and a few missing teeth lay on the sidewalk, next to a stack of books and an empty coffee-cup.

FORBES: Santa Arrived Too Late

Around the fourth day of the illness, a rash - flat red or brown blotches - may appear, usually starting on the forehead and spreading downwards.

BBC: Q&A: Measles and MMR