0 Old HSK word(s):


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Nitrat (S, Chem) [xiao1 suan1 yan2] 硝酸盐
Nitrit (S, Chem) [ya4 xiao1 suan1 yan2] 亚硝酸盐


1.21 Ökologie, Umweltschutz Nitratbelastung + Nitrate + 硝酸盐 +
13.21 Anorganische Chemie Nitrat + Nitrate + 硝酸盐 +