螺丝母 luósīmǔ nut Definitions Defs Origin Strokes Stroke Words Sentences Sents 螺丝 螺絲 luósī noun screw; bolt an external screw thread or a fastener such as a screw or bolt母 mǔ nut (bound form) nut (to hold a bolt); the female or larger part of a matching pair of objects
