used

v.过去常常

urge, urge sb to do, urge sb. on, urged, urgency, urgent, urgently, uric, urinal, urinary, urinate, urine, urn, us, USA, usable, USAF, usage, use, use up, used to, used to do, useful, usefully, usefulness, useless, uselessly, uselessness, user, user-friendly, usher, usherette, USN, USS, USSR, usual, usually, usurer, usurp, usurpation,