释义 |
wing nut noun[ C ] uk /ˈwɪŋ ˌnʌt/ us /ˈwɪŋ ˌnʌt/ a small, metal fastening device that has two flat pieces on it that you can hold with your fingers while tightening it蝶形螺母 Jill Ferry Photography/Moment/GettyImages SMART Vocabulary: related words and phrases Nuts, bolts & screws bolt hobnail nail nut rivet screw thread |