基本解釋n. 翼螺帽；蝶形螺母同根派生 thumbnut相關詞詞組短語短語Thumbnut & Bolt 螺母和螺栓thumbnut更多詞組英英字典柯林斯英英字典 a nut with projections enabling it to be turned by the thumb and forefinger wing nut thumbnut劍橋字典thumbnut柯林斯字典專業(yè)釋義機械工程翼螺帽