unessential

a. 非本质上的,非重要的,非必要的

uneatable, uneconomic, uneconomical, uneconomically, unedited, uneducated, unemloyment, unemployed, unemployment, unemployment benefit, unencumbered, unending, unequal, unequalled, unequally, unequivocal, unequivocally, unerring, unerringly, UNESCO (also Unesco), unethical, unethically, uneven, unevenly, unevenness, unexamined, unexceptionable, unexceptionably, unexceptional, unexceptionally, unexpected, unexpectedly, unexpectedness, unexplained, unfading, unfailing, unfailingly, unfair, unfairly, unfairness,