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 +