0 Old HSK word(s):


Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.


Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Forschung und Entwicklung, F&E, R&D [yan2 jiu4 yu3 fa1 zhan3] 研究与发展