| 例句 |
unprecedentedadjective not known or experienced beforethis is an unprecedented request for the reference desk fresh, new, novel, original, strange, unaccustomed, unfamiliar, unheard-of, unknown innovative, uniquenontraditional, unconventional, untried, unused, unwornpathbreaking, pioneering, trailblazing familiar, hackneyed, old, time-honored, tired, warmed-over conventional, established, traditional, tried, tried-and-truederivative, imitative in 1641 |