Level A1 : READ LISTEN TRANSLATE RANDOM
Level A2 : READ LISTEN TRANSLATE
Level B1 A: READ LISTEN TRANSLATE
Level B1 B: READ LISTEN TRANSLATE











Compounds:












7

低碳

dītàn

Low carbon

7

低碳

dītàn

carbon thấp



HSK5000 A1+A2+B1




HSK5000 B2 + C1