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Level B1 A: READ LISTEN TRANSLATE
Level B1 B: READ LISTEN TRANSLATE

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contamination Kontamination besmetting contamination contaminazione contaminación การปนเปื้อน sự ô nhiễm 污染
pollution Verschmutzung vervuiling la pollution inquinamento contaminación มลพิษ sự ô nhiễm 污染



sự ô nhiễm 3000 pollution

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Compounds:

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HSK5000 A1+A2+B1

HSK5000 B2 + C1