kindexknobble./nob-uhl/US // ˈnɒb əl //滚刀,滚刀石,滚石,滚刀肉Definitionsv.verb · 有主动词1. knob·bled, knob·bling.›to knob.›Metallurgy. to treat on a hearth before shingling to produce wrought iron.Level 5More words in k →