tautology

n (a) [U] saying the same thing more than once in different ways withoutmaking one's meaning clearer or more forceful; needlessrepetition 无谓的重复; 赘述. (b) [C] instance of this 重复的话; 赘言. Cf 参看 pleonasm.

tattered, tatters, tattily, tattiness, tatting, tattle, tattler, tattoo, tatty, Tau Ceti, taught, taunt, tauntingly, Taurean, Taurus, taut, tauten, tautly, tautness, tautological, tavern, TAVR, tawdrily, tawdriness, tawdry, tawny, tax, tax haven, tax return, tax-deductible, tax-free, taxation, taxcollector, taxes, taxi, taxi driver, taxi-cab, taxi-driver, taxidermist, taxidermy,