| 例句 |
perimetersnounpl. of perimeter the line or relatively narrow space that marks the outer limit of somethingsoldiers guarding the perimeter of the camp borderlines, borders, boundaries, bounds, brims, circumferences, compasses, confines, edges, edgings, ends, frames, fringes, hems, margins, peripheries, rims, skirtings, skirts, verges ambitsbrinks, crests, curbs, cusps, lipsceilings, maxima(or maximums)demarcations, extents, limitations, measures, meres, restrictions, terminationsborderlands, frontiers, marches, outskirts, pales, selvageslapsshores centers, cores, heartsinners, insides, interiors, middles, withins |