0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Umwelttechnik [huan2 jing4 gong1 cheng2] 环境工程


1.21 Ökologie, Umweltschutz Umweltschutztechnik + Environmental Engineering + 环境工程 +