union

n.工会，协会；联合，合并；团结，融洽

unimpassioned, unimpeachable, unimpeachably, unimpeded, unimportant, unimpressed, unimpressive, uninformative, uninformed, uninhabitable, uninhabited, uninspired, uninspiring, unintelligible, unintelligibly, unintended, unintentional, uninterested, uninteresting, uninviting, unionism, unionist, unionization, unionisation, unionize, unionise, unique, uniquely, uniqueness, unisex, unison, unit, unit price, unit trust (Brit) (US `mutual fund), Unitarian, Unitarianism, unitary, unite, united, United Kingdom, United Nations, United States,