krug 用英语:

Draw a circle.

Cape Dezhnev is 30 miles south of the Arctic Circle.

They decided to exclude him from their circle.

All the other little rabbits came out to see how happy they both were, and they danced in a wedding circle around the little black rabbit and little white rabbit.

Circle in red pencil.

It is difficult to break the vicious circle of wages and prices.

The house looks circular, but it isn't a complete circle.

There are two doctors in his circle of friends, a surgeon and an ophthalmologist.

In English class, sometimes we sit in a circle to talk about a book we are reading.

In my circle of friends there are two people who are professional singers.

Seeing as the curvature is smaller than unity, once the curve leaves the unit circle it will not come back.

Giotto's circle is the emblem of perfection.

That circle is very wide.

okrążać (otaczać kręgiem) surround/encircle

As π is transcendental, the quadrature of a circle - a classical problem in geometry - is impossible.