In the middle of each kidney there is an indentation that forms the renal hilum.

每个肾中部有凹陷的肾门。

The philtrum is the indentation or grove between your nose and your upper lip.

人中是位于鼻子和上唇之间的凹痕或凹陷。

Two tests took place in an arena consisting of a small wooden box with four indentations in the floor.

其中两项测试在竞技场举行，场地内有个木头小盒子，盒子里的地板上有四个缺口。

In the dry season, these indentations become essential watering holes and firebreaks, maintaining and protecting the swamp's other residents.

在旱季，这些坑洼就成了必不可少的饮水点和防火带，维系并保障了沼泽地其他居民的生存。

There was not an indentation on it anywhere.

任何地方都没有缩进。

A dent means an indentation or it's pushed in in one area.

凹痕意味着压痕或在一个区域被推入。

Then you can remove the glass, and you'll see it'll make a little indentation.

然后你可以取下玻璃，你会看到它会留下一点凹痕。

Everybody could see the indelible indentation on it, dyed by India ink.

每个人都可以看见上面有去不掉的凹痕，被墨汁染色。

It's not completely broken, it's just pushed in or there's an indentation.

它并没有完全坏掉，它只是被推入或有一个压痕。

I know the deep indentations round the leaves.

我知道叶子周围的深深凹痕。