2 Old HSK word(s): ☊拧 ** C ☊螺丝钉 ** D
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
螺 spiral shell / conch / spiral
丝 silk / fine thread / wire / strings
钉 nail, spike / pursue closely
Hsk Characters:
HSK -Characters and beyond:
4.33 Verbinden Schraube + Screw + 螺丝 +
19.11 Werkzeug schrauben + screw + 螺丝 +