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hidrógeno m
chem.	водород (hydrogenium)
econ.	водород
environ.	водород (Запалим безцветен газ, който е най-лекият и най-изобилен елемент във вселената)

hidrógeno: 11 phrases in 5 subjects

Chemistry	4
Economy	1
Environment	1
General	1
Transport	4