pack-animal

n animal used for carrying things, eg a horse, mule or camel 力畜, 役畜（如马、 骡、 骆驼）.

p.m., P.M./p.m., pa, pace, pacemaker, pachyderm, pacific, pacifically, pacification, pacifier, pacifism, pacifist, pacify, pack, pack it in, pack sb off, pack sth in, pack sth in; pack sth in/into sth, pack sth out, pack up, pack-ice, pack-saddle, pack...into, package, package holiday, package tour, package store, package tour, packaged tour, packaging, packed, packer, packet, packing, packing-case, packthread, pact, pad, padded cell, padding, paddle,