jinsru lujvo

d1=s1 is a ring/belt/band/girdle around/circling/ringing s2 near total containment in some dimension(s).


In notes:

djine
x1 is a ring/annulus/torus/circle [shape/form] of material x2, inside diam. x3, outside diam. x4.
sruri
x1 encircles/encloses/is surrounding x2 in direction(s)/dimension(s)/plane x3.