他用尺子猛击我的头部。

He cracked me on the head with a ruler.

《牛津词典》

我感觉好像有人在我的头部侧面开了一扇门。

I feel as if someone has opened a door in the side of my head.

youdao

我的头部和背部都受了伤。

I hurt my head and my back.

youdao

Slightly freaked out, I reach for my head, or perhaps we should say I reach for where I would expect my head to be, but I don't feel anything there.

略微惊吓之余,我用手去触碰头部,也许我们应该说,把手放到,预想中我头部所在的位置,但那里什么也没有

耶鲁公开课 - 死亡课程节选

Now I isolated these cells maybe from the head region of the embryo, the region that's going to develop into the brain, so that would be a good place to look if you wanted cells that were going to develop into the brain.

现在我可以从胚胎的头部,分离这些细胞,从就要发育成为大脑的这些部位,这是取得你需要的细胞的绝佳位置,如果你想要发育成大脑的细胞的话

耶鲁公开课 - 生物医学工程探索课程节选