thoroughbred

(also `pure-bred) n, adj (animal, esp a horse) of pure or pedigree stock 纯种的; 纯种动物（尤指马）: breeding thoroughbred racehorses 饲养纯种赛马.

thirst, thirstily, thirsty, thirteen, thirteenth, thirtieth, thirty, this, thistle, thistledown, thither, tho', thole, Thomas Edison, thong, thorax, thorn, Thorne Middle School, thorny, thorough, thoroughfare, thoroughgoing, thoroughly, thoroughness, those, thou, though, though (also tho), thought, thought-provoking, thought-reader, thoughtful, thoughtfully, thoughtfulness, thoughtless, thoughtlessly, thoughtlessness, thousand, Thousand Island dressing, thousandfold,