irregularity

n.不规则

ironware, ironwork, ironworks, irony, irradiate, irradicable, irrational, irrationality, irrationally, irreconcilable, irreconcilably, irrecoverable, irrecoverably, irredeemable, irredeemably, irreducible, irreducibly, irrefutable, irrefutably, irregular, irregularly, irrelevance, irrelevancy, irrelevant, irrelevantly, irreligious, irremediable, irremediably, irremovable, irreparable, irreparably, irreplaceable, irrepressible, irrepressibly, irreproachable, irreproachably, irresistible, irresistibly, irresolute, irresolutely,