| 例句 |
perimeternoun the line or relatively narrow space that marks the outer limit of somethingsoldiers guarding the perimeter of the camp border, borderline, bound, boundary, brim, circumference, compass, confines, edge, edging, end, frame, fringe, hem, margin, periphery, rim, skirt, skirting, verge ambitbrink, crest, curb, cusp, lipceiling, maximumdemarcation, extent, limitation, measure, mere, restriction, terminationborderland, frontier, march, outskirts, pale, selvagelapshore center, core, heartinner, inside, interior, middle, within in the 15th century |