loop

n.环，环状物 v.打圈

look round, look through, look through sb, look to, look up, look up to, look up to sb., look upon...as..., look-alike, look-in, look-out, look-over, look-through, looker, looker-on, looking-glass, lookout, loom, loony, loony-bin, loop-line, loophole, loopy, loose, loose box, loose covers, loose-, loose-leaf, loosely, loosen, looseness, loot, lop, lop-eared, lope, lopsided, loquacious, loquaciously, loquaciousness, loquacity, loquacity,