The ball is in the middle of the dog, can be expressed as "the ball is situated in the center of the dog" in Engpsh.
来源：这是一个常见的表达方式，可以用来描述物体的相对位置。
Example sentences and their translation:
The ball is in the middle of the room.
球在房间的中间。
The apple is in the center of the basket.
苹果在篮子的中心。
The book is situated in the middle of the table.
书在桌子的中间。