Wing screw
01
翼形螺丝, 蝶形螺丝
a type of screw that features two large wings or extended knobs on the head, allowing for easy manual tightening and loosening without the need for tools
例子
The wing screw made it easy to adjust the height of the chair without needing any tools.
翼形螺丝使得无需任何工具即可轻松调整椅子的高度。
