The triangle is inside （在……里面the square.
The square is around （圍繞在外面the triangle.
The triangle is inside the circle.
The circle is around the triangle.
The square is inside the triangle.
The triangle is around the square.
The circle is between（在……中間） two small squares.
There's a square on either side of （在……兩旁）the circle.
The circle is on the left of （A在b的左邊）a rectangle.
The rectangle is on the right of the circle.
Defensive wall 防御墻
