understand

v.理解；听说，得知；认为

undernourishment, underpants, underpass, underpay, underpin, underplay, underprivileged, underrate, underscore, undersea, underseal, undersell, undershirt, undershorts, underside, undersigned, undersized, underslung, undersold, understaffed, understandable, understandably, understanding, understate, understated, understatement, understood, understudy, undertake, undertaker, undertaking, undertone, undertow, underutilize, undervalue, underwater, underwear, underweight, underwent, underworld,