0 Old HSK word(s):
航空信* *

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

航 sail / navigate / ship, boat
空 empty, hollow, bare, deserted
信 trust, believe / letter

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









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Luftpost (S)Luftpostbrief (S) [hang2 kong1 xin4] 航空信