tugboat

n. 拖船

tubby, tube, tubeless, tuber, tubercular, tuberculosis, tuberous, tubing, tubular, TUC, tuck, tuck-in, tucker, Tue (also Tues), Tuesday, tuft, tufted, tug, tug of love, tug of war, tuition, tulip, tulle, tumble, tumble-drier (also `tumbler-drier), tumbledown, tumbler, tumbler-drier, tumbleweed, tumbrel (also tumbril), tumescence, tumescent, tumid, tumidity, tummy, tumor, tumorous, tumour (US tumor), tumult, tumultuous,