trotter

n 1 horse bred and trained for trotting-races （为作快步马赛训练的）快步马. 2 (usu pl 通常作复数) pig's or sheep's foot, esp as food 猪蹄, 羊蹄（尤指作食物的）.

Trojan horse, troll, trolley, trolley bus, trollop, trombone, trombonist, troop, troop-ship, trooper, trope, trophy, tropic, tropical, tropically, troposphere, Trot, troth, Trotskyism, Trotskyist, troubadour, trouble, trouble-maker, trouble-shooter, trouble-spot, troubled, troublesome, trough, trounce, troupe, trouper, trouser, trouser-suit, trousers, trousseau, trout, trowel, troy weight, truancy, truant,