wing-nut
参考词典中wing-nut的常规释义：
基本释义
- n.翼形螺母,蝶形螺母元宝螺母
英英解释
2个名词解释
- any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia
[同] wing nut, wing-nut - a threaded nut with winglike projections for thumb and forefinger leverage in turning
[同] butterfly nut, thumbnut, wing nut, wing screw, wing-nut
点击查看……- any tree of the genus Pterocarya; fruit is a small winged nutlet; Caucasus to southeastern Asia
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