packthread

n [U] strong thread for sewing or tying up packs （缝包或打包用的）捆扎线, 粗线, 打包绳.

pack sb off, pack sth in, pack sth in; pack sth in/into sth, pack sth out, pack up, pack-animal, pack-ice, pack-saddle, pack...into, package, package holiday, package tour, package store, package tour, packaged tour, packaging, packed, packer, packet, packing, packing-case, pact, pad, padded cell, padding, paddle, paddle-boat, paddle-steamer, paddle-wheel, paddling pool (US wading pool), paddock, paddy, padlock, padre, paean, paed(o)-, paed(o)- (US ped(o)-), paederasty, paediatric (US pediatric), paediatrician (US pediatrician), paediatrics,