0 Old HSK word(s):
航空学* *

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

航 sail / navigate / ship, boat
空 empty, hollow, bare, deserted
学 learning, knowledge / school

Hsk Characters:
HSK -Characters and beyond:
from: Universala Vortaro, Zamenhof









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Aeronautik, Luftfahrtkunde [hang2 kong1 xue2] 航空学